Home / 7,646.31-11,470.59-2,715.53

Finding the Fourth Proportional to 7,646.31, 11,470.59 and 2,715.53

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Solution

The fourth proportional to 7,646.31, 11,470.59 and 2,715.53 is: 4,073.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,646.31 : 11,470.59 = 2,715.53 : x
  2. Step 2: Convert to fraction form
    7,646.31/11,470.59 = 2,715.53/x
  3. Step 3: Cross multiply
    7,646.31x = 11,470.59 × 2,715.53
  4. Step 4: Simplify right side
    7,646.31x = 31,148,673.91
  5. Step 5: Solve for x
    x = 31,148,673.91/7,646.31
  6. Step 6: Final answer
    x = 4,073.69

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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.