Home / 8,566.20-12,850.20-2,721.45

Finding the Fourth Proportional to 8,566.20, 12,850.20 and 2,721.45

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Solution

The fourth proportional to 8,566.20, 12,850.20 and 2,721.45 is: 4,082.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,566.20 : 12,850.20 = 2,721.45 : x
  2. Step 2: Convert to fraction form
    8,566.20/12,850.20 = 2,721.45/x
  3. Step 3: Cross multiply
    8,566.20x = 12,850.20 × 2,721.45
  4. Step 4: Simplify right side
    8,566.20x = 34,971,176.79
  5. Step 5: Solve for x
    x = 34,971,176.79/8,566.20
  6. Step 6: Final answer
    x = 4,082.46

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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.