Home / 7,499.81-11,249.73-2,569.49

Finding the Fourth Proportional to 7,499.81, 11,249.73 and 2,569.49

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Solution

The fourth proportional to 7,499.81, 11,249.73 and 2,569.49 is: 3,854.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,499.81 : 11,249.73 = 2,569.49 : x
  2. Step 2: Convert to fraction form
    7,499.81/11,249.73 = 2,569.49/x
  3. Step 3: Cross multiply
    7,499.81x = 11,249.73 × 2,569.49
  4. Step 4: Simplify right side
    7,499.81x = 28,906,068.74
  5. Step 5: Solve for x
    x = 28,906,068.74/7,499.81
  6. Step 6: Final answer
    x = 3,854.24

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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.