Home / 5,985.28-8,981.70-2,287.90

Finding the Fourth Proportional to 5,985.28, 8,981.70 and 2,287.90

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Solution

The fourth proportional to 5,985.28, 8,981.70 and 2,287.90 is: 3,433.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,985.28 : 8,981.70 = 2,287.90 : x
  2. Step 2: Convert to fraction form
    5,985.28/8,981.70 = 2,287.90/x
  3. Step 3: Cross multiply
    5,985.28x = 8,981.70 × 2,287.90
  4. Step 4: Simplify right side
    5,985.28x = 20,549,231.43
  5. Step 5: Solve for x
    x = 20,549,231.43/5,985.28
  6. Step 6: Final answer
    x = 3,433.29

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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.