Home / 5,158.12-7,733.92-2,851.24

Finding the Fourth Proportional to 5,158.12, 7,733.92 and 2,851.24

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Solution

The fourth proportional to 5,158.12, 7,733.92 and 2,851.24 is: 4,275.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158.12 : 7,733.92 = 2,851.24 : x
  2. Step 2: Convert to fraction form
    5,158.12/7,733.92 = 2,851.24/x
  3. Step 3: Cross multiply
    5,158.12x = 7,733.92 × 2,851.24
  4. Step 4: Simplify right side
    5,158.12x = 22,051,262.06
  5. Step 5: Solve for x
    x = 22,051,262.06/5,158.12
  6. Step 6: Final answer
    x = 4,275.06

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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.