Home / 7,646.91-11,470.36-2,452.78

Finding the Fourth Proportional to 7,646.91, 11,470.36 and 2,452.78

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Solution

The fourth proportional to 7,646.91, 11,470.36 and 2,452.78 is: 3,679.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,646.91 : 11,470.36 = 2,452.78 : x
  2. Step 2: Convert to fraction form
    7,646.91/11,470.36 = 2,452.78/x
  3. Step 3: Cross multiply
    7,646.91x = 11,470.36 × 2,452.78
  4. Step 4: Simplify right side
    7,646.91x = 28,134,282.41
  5. Step 5: Solve for x
    x = 28,134,282.41/7,646.91
  6. Step 6: Final answer
    x = 3,679.17

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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.