Home / 7,489.02-11,233.45-2,872.02

Finding the Fourth Proportional to 7,489.02, 11,233.45 and 2,872.02

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Solution

The fourth proportional to 7,489.02, 11,233.45 and 2,872.02 is: 4,308.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.02 : 11,233.45 = 2,872.02 : x
  2. Step 2: Convert to fraction form
    7,489.02/11,233.45 = 2,872.02/x
  3. Step 3: Cross multiply
    7,489.02x = 11,233.45 × 2,872.02
  4. Step 4: Simplify right side
    7,489.02x = 32,262,693.07
  5. Step 5: Solve for x
    x = 32,262,693.07/7,489.02
  6. Step 6: Final answer
    x = 4,308.00

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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.