Home / 8,425.23-12,642.45-5,654.23

Finding the Fourth Proportional to 8,425.23, 12,642.45 and 5,654.23

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Solution

The fourth proportional to 8,425.23, 12,642.45 and 5,654.23 is: 8,484.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,425.23 : 12,642.45 = 5,654.23 : x
  2. Step 2: Convert to fraction form
    8,425.23/12,642.45 = 5,654.23/x
  3. Step 3: Cross multiply
    8,425.23x = 12,642.45 × 5,654.23
  4. Step 4: Simplify right side
    8,425.23x = 71,483,350.52
  5. Step 5: Solve for x
    x = 71,483,350.52/8,425.23
  6. Step 6: Final answer
    x = 8,484.44

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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.