Home / 5,132.90-7,695.30-2,824.40

Finding the Fourth Proportional to 5,132.90, 7,695.30 and 2,824.40

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Solution

The fourth proportional to 5,132.90, 7,695.30 and 2,824.40 is: 4,234.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.90 : 7,695.30 = 2,824.40 : x
  2. Step 2: Convert to fraction form
    5,132.90/7,695.30 = 2,824.40/x
  3. Step 3: Cross multiply
    5,132.90x = 7,695.30 × 2,824.40
  4. Step 4: Simplify right side
    5,132.90x = 21,734,605.32
  5. Step 5: Solve for x
    x = 21,734,605.32/5,132.90
  6. Step 6: Final answer
    x = 4,234.37

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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.