Home / 7,585.38-11,378.07-3,686.43

Finding the Fourth Proportional to 7,585.38, 11,378.07 and 3,686.43

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Solution

The fourth proportional to 7,585.38, 11,378.07 and 3,686.43 is: 5,529.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,585.38 : 11,378.07 = 3,686.43 : x
  2. Step 2: Convert to fraction form
    7,585.38/11,378.07 = 3,686.43/x
  3. Step 3: Cross multiply
    7,585.38x = 11,378.07 × 3,686.43
  4. Step 4: Simplify right side
    7,585.38x = 41,944,458.59
  5. Step 5: Solve for x
    x = 41,944,458.59/7,585.38
  6. Step 6: Final answer
    x = 5,529.65

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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.