Home / 7,489.00-11,232.52-2,223.90

Finding the Fourth Proportional to 7,489.00, 11,232.52 and 2,223.90

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Solution

The fourth proportional to 7,489.00, 11,232.52 and 2,223.90 is: 3,335.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.00 : 11,232.52 = 2,223.90 : x
  2. Step 2: Convert to fraction form
    7,489.00/11,232.52 = 2,223.90/x
  3. Step 3: Cross multiply
    7,489.00x = 11,232.52 × 2,223.90
  4. Step 4: Simplify right side
    7,489.00x = 24,980,058.71
  5. Step 5: Solve for x
    x = 24,980,058.71/7,489.00
  6. Step 6: Final answer
    x = 3,335.57

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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.