Home / 4,887.40-7,331.10-3,247.15

Finding the Fourth Proportional to 4,887.40, 7,331.10 and 3,247.15

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Solution

The fourth proportional to 4,887.40, 7,331.10 and 3,247.15 is: 4,870.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.40 : 7,331.10 = 3,247.15 : x
  2. Step 2: Convert to fraction form
    4,887.40/7,331.10 = 3,247.15/x
  3. Step 3: Cross multiply
    4,887.40x = 7,331.10 × 3,247.15
  4. Step 4: Simplify right side
    4,887.40x = 23,805,181.37
  5. Step 5: Solve for x
    x = 23,805,181.37/4,887.40
  6. Step 6: Final answer
    x = 4,870.73

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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.