Home / 5,981.61-8,972.42-2,860.88

Finding the Fourth Proportional to 5,981.61, 8,972.42 and 2,860.88

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Solution

The fourth proportional to 5,981.61, 8,972.42 and 2,860.88 is: 4,291.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,981.61 : 8,972.42 = 2,860.88 : x
  2. Step 2: Convert to fraction form
    5,981.61/8,972.42 = 2,860.88/x
  3. Step 3: Cross multiply
    5,981.61x = 8,972.42 × 2,860.88
  4. Step 4: Simplify right side
    5,981.61x = 25,669,016.93
  5. Step 5: Solve for x
    x = 25,669,016.93/5,981.61
  6. Step 6: Final answer
    x = 4,291.32

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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.