Home / 9,387.24-14,081.33-2,812.80

Finding the Fourth Proportional to 9,387.24, 14,081.33 and 2,812.80

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Solution

The fourth proportional to 9,387.24, 14,081.33 and 2,812.80 is: 4,219.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,387.24 : 14,081.33 = 2,812.80 : x
  2. Step 2: Convert to fraction form
    9,387.24/14,081.33 = 2,812.80/x
  3. Step 3: Cross multiply
    9,387.24x = 14,081.33 × 2,812.80
  4. Step 4: Simplify right side
    9,387.24x = 39,607,965.02
  5. Step 5: Solve for x
    x = 39,607,965.02/9,387.24
  6. Step 6: Final answer
    x = 4,219.34

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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.