Home / 8,331.53-12,488.58-3,943.76

Finding the Fourth Proportional to 8,331.53, 12,488.58 and 3,943.76

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Solution

The fourth proportional to 8,331.53, 12,488.58 and 3,943.76 is: 5,911.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.53 : 12,488.58 = 3,943.76 : x
  2. Step 2: Convert to fraction form
    8,331.53/12,488.58 = 3,943.76/x
  3. Step 3: Cross multiply
    8,331.53x = 12,488.58 × 3,943.76
  4. Step 4: Simplify right side
    8,331.53x = 49,251,962.26
  5. Step 5: Solve for x
    x = 49,251,962.26/8,331.53
  6. Step 6: Final answer
    x = 5,911.51

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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.