Home / 4,478.28-6,715.59-2,012.43

Finding the Fourth Proportional to 4,478.28, 6,715.59 and 2,012.43

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Solution

The fourth proportional to 4,478.28, 6,715.59 and 2,012.43 is: 3,017.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.28 : 6,715.59 = 2,012.43 : x
  2. Step 2: Convert to fraction form
    4,478.28/6,715.59 = 2,012.43/x
  3. Step 3: Cross multiply
    4,478.28x = 6,715.59 × 2,012.43
  4. Step 4: Simplify right side
    4,478.28x = 13,514,654.78
  5. Step 5: Solve for x
    x = 13,514,654.78/4,478.28
  6. Step 6: Final answer
    x = 3,017.82

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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.