Home / 7,526.78-11,290.17-3,141.85

Finding the Fourth Proportional to 7,526.78, 11,290.17 and 3,141.85

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Solution

The fourth proportional to 7,526.78, 11,290.17 and 3,141.85 is: 4,712.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,526.78 : 11,290.17 = 3,141.85 : x
  2. Step 2: Convert to fraction form
    7,526.78/11,290.17 = 3,141.85/x
  3. Step 3: Cross multiply
    7,526.78x = 11,290.17 × 3,141.85
  4. Step 4: Simplify right side
    7,526.78x = 35,472,004.17
  5. Step 5: Solve for x
    x = 35,472,004.17/7,526.78
  6. Step 6: Final answer
    x = 4,712.77

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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.