Home / 4,658.95-6,987.61-1,538.92

Finding the Fourth Proportional to 4,658.95, 6,987.61 and 1,538.92

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Solution

The fourth proportional to 4,658.95, 6,987.61 and 1,538.92 is: 2,308.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,658.95 : 6,987.61 = 1,538.92 : x
  2. Step 2: Convert to fraction form
    4,658.95/6,987.61 = 1,538.92/x
  3. Step 3: Cross multiply
    4,658.95x = 6,987.61 × 1,538.92
  4. Step 4: Simplify right side
    4,658.95x = 10,753,372.78
  5. Step 5: Solve for x
    x = 10,753,372.78/4,658.95
  6. Step 6: Final answer
    x = 2,308.11

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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.