Home / 7,528.59-11,291.49-3,144.87

Finding the Fourth Proportional to 7,528.59, 11,291.49 and 3,144.87

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Solution

The fourth proportional to 7,528.59, 11,291.49 and 3,144.87 is: 4,716.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528.59 : 11,291.49 = 3,144.87 : x
  2. Step 2: Convert to fraction form
    7,528.59/11,291.49 = 3,144.87/x
  3. Step 3: Cross multiply
    7,528.59x = 11,291.49 × 3,144.87
  4. Step 4: Simplify right side
    7,528.59x = 35,510,268.16
  5. Step 5: Solve for x
    x = 35,510,268.16/7,528.59
  6. Step 6: Final answer
    x = 4,716.72

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Half scale
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Double scale
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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.