Home / 8,561.64-12,839.58-3,014.76

Finding the Fourth Proportional to 8,561.64, 12,839.58 and 3,014.76

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Solution

The fourth proportional to 8,561.64, 12,839.58 and 3,014.76 is: 4,521.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,561.64 : 12,839.58 = 3,014.76 : x
  2. Step 2: Convert to fraction form
    8,561.64/12,839.58 = 3,014.76/x
  3. Step 3: Cross multiply
    8,561.64x = 12,839.58 × 3,014.76
  4. Step 4: Simplify right side
    8,561.64x = 38,708,252.20
  5. Step 5: Solve for x
    x = 38,708,252.20/8,561.64
  6. Step 6: Final answer
    x = 4,521.13

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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.