Home / 7,515.45-11,273.18-2,585.14

Finding the Fourth Proportional to 7,515.45, 11,273.18 and 2,585.14

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Solution

The fourth proportional to 7,515.45, 11,273.18 and 2,585.14 is: 3,877.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.45 : 11,273.18 = 2,585.14 : x
  2. Step 2: Convert to fraction form
    7,515.45/11,273.18 = 2,585.14/x
  3. Step 3: Cross multiply
    7,515.45x = 11,273.18 × 2,585.14
  4. Step 4: Simplify right side
    7,515.45x = 29,142,726.83
  5. Step 5: Solve for x
    x = 29,142,726.83/7,515.45
  6. Step 6: Final answer
    x = 3,877.71

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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.