Home / 7,127.70-10,691.55-4,794.90

Finding the Fourth Proportional to 7,127.70, 10,691.55 and 4,794.90

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Solution

The fourth proportional to 7,127.70, 10,691.55 and 4,794.90 is: 7,192.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.70 : 10,691.55 = 4,794.90 : x
  2. Step 2: Convert to fraction form
    7,127.70/10,691.55 = 4,794.90/x
  3. Step 3: Cross multiply
    7,127.70x = 10,691.55 × 4,794.90
  4. Step 4: Simplify right side
    7,127.70x = 51,264,913.10
  5. Step 5: Solve for x
    x = 51,264,913.10/7,127.70
  6. Step 6: Final answer
    x = 7,192.35

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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.