Home / 8,860.60-12,225.42-5,713

Finding the Fourth Proportional to 8,860.60, 12,225.42 and 5,713

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Solution

The fourth proportional to 8,860.60, 12,225.42 and 5,713 is: 7,882.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860.60 : 12,225.42 = 5,713 : x
  2. Step 2: Convert to fraction form
    8,860.60/12,225.42 = 5,713/x
  3. Step 3: Cross multiply
    8,860.60x = 12,225.42 × 5,713
  4. Step 4: Simplify right side
    8,860.60x = 69,843,824.46
  5. Step 5: Solve for x
    x = 69,843,824.46/8,860.60
  6. Step 6: Final answer
    x = 7,882.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.