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Finding the Fourth Proportional to 4,284.99, 6,393.03 and 3,817.20

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Solution

The fourth proportional to 4,284.99, 6,393.03 and 3,817.20 is: 5,695.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284.99 : 6,393.03 = 3,817.20 : x
  2. Step 2: Convert to fraction form
    4,284.99/6,393.03 = 3,817.20/x
  3. Step 3: Cross multiply
    4,284.99x = 6,393.03 × 3,817.20
  4. Step 4: Simplify right side
    4,284.99x = 24,403,474.12
  5. Step 5: Solve for x
    x = 24,403,474.12/4,284.99
  6. Step 6: Final answer
    x = 5,695.11

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.