Home / 6,455.04-9,684.48-2,995.20

Finding the Fourth Proportional to 6,455.04, 9,684.48 and 2,995.20

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Solution

The fourth proportional to 6,455.04, 9,684.48 and 2,995.20 is: 4,493.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455.04 : 9,684.48 = 2,995.20 : x
  2. Step 2: Convert to fraction form
    6,455.04/9,684.48 = 2,995.20/x
  3. Step 3: Cross multiply
    6,455.04x = 9,684.48 × 2,995.20
  4. Step 4: Simplify right side
    6,455.04x = 29,006,954.50
  5. Step 5: Solve for x
    x = 29,006,954.50/6,455.04
  6. Step 6: Final answer
    x = 4,493.69

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.