Home / 8,459.38-12,690.28-2,616.44

Finding the Fourth Proportional to 8,459.38, 12,690.28 and 2,616.44

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Solution

The fourth proportional to 8,459.38, 12,690.28 and 2,616.44 is: 3,925.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,459.38 : 12,690.28 = 2,616.44 : x
  2. Step 2: Convert to fraction form
    8,459.38/12,690.28 = 2,616.44/x
  3. Step 3: Cross multiply
    8,459.38x = 12,690.28 × 2,616.44
  4. Step 4: Simplify right side
    8,459.38x = 33,203,343.12
  5. Step 5: Solve for x
    x = 33,203,343.12/8,459.38
  6. Step 6: Final answer
    x = 3,925.04

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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.