Home / 8,560.43-12,839.63-2,320.06

Finding the Fourth Proportional to 8,560.43, 12,839.63 and 2,320.06

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Solution

The fourth proportional to 8,560.43, 12,839.63 and 2,320.06 is: 3,479.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,560.43 : 12,839.63 = 2,320.06 : x
  2. Step 2: Convert to fraction form
    8,560.43/12,839.63 = 2,320.06/x
  3. Step 3: Cross multiply
    8,560.43x = 12,839.63 × 2,320.06
  4. Step 4: Simplify right side
    8,560.43x = 29,788,711.98
  5. Step 5: Solve for x
    x = 29,788,711.98/8,560.43
  6. Step 6: Final answer
    x = 3,479.81

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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.