Home / 8,724.54-13,085.52-2,881.20

Finding the Fourth Proportional to 8,724.54, 13,085.52 and 2,881.20

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Solution

The fourth proportional to 8,724.54, 13,085.52 and 2,881.20 is: 4,321.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.54 : 13,085.52 = 2,881.20 : x
  2. Step 2: Convert to fraction form
    8,724.54/13,085.52 = 2,881.20/x
  3. Step 3: Cross multiply
    8,724.54x = 13,085.52 × 2,881.20
  4. Step 4: Simplify right side
    8,724.54x = 37,702,000.22
  5. Step 5: Solve for x
    x = 37,702,000.22/8,724.54
  6. Step 6: Final answer
    x = 4,321.37

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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.