Home / 4,658.49-6,988.68-1,538.73

Finding the Fourth Proportional to 4,658.49, 6,988.68 and 1,538.73

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Solution

The fourth proportional to 4,658.49, 6,988.68 and 1,538.73 is: 2,308.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,658.49 : 6,988.68 = 1,538.73 : x
  2. Step 2: Convert to fraction form
    4,658.49/6,988.68 = 1,538.73/x
  3. Step 3: Cross multiply
    4,658.49x = 6,988.68 × 1,538.73
  4. Step 4: Simplify right side
    4,658.49x = 10,753,691.58
  5. Step 5: Solve for x
    x = 10,753,691.58/4,658.49
  6. Step 6: Final answer
    x = 2,308.41

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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.