Home / 7,523.40-11,285.10-4,753.20

Finding the Fourth Proportional to 7,523.40, 11,285.10 and 4,753.20

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Solution

The fourth proportional to 7,523.40, 11,285.10 and 4,753.20 is: 7,129.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,523.40 : 11,285.10 = 4,753.20 : x
  2. Step 2: Convert to fraction form
    7,523.40/11,285.10 = 4,753.20/x
  3. Step 3: Cross multiply
    7,523.40x = 11,285.10 × 4,753.20
  4. Step 4: Simplify right side
    7,523.40x = 53,640,337.32
  5. Step 5: Solve for x
    x = 53,640,337.32/7,523.40
  6. Step 6: Final answer
    x = 7,129.80

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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.