Home / 7,753.32-11,629.98-2,559.20

Finding the Fourth Proportional to 7,753.32, 11,629.98 and 2,559.20

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Solution

The fourth proportional to 7,753.32, 11,629.98 and 2,559.20 is: 3,838.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,753.32 : 11,629.98 = 2,559.20 : x
  2. Step 2: Convert to fraction form
    7,753.32/11,629.98 = 2,559.20/x
  3. Step 3: Cross multiply
    7,753.32x = 11,629.98 × 2,559.20
  4. Step 4: Simplify right side
    7,753.32x = 29,763,386.67
  5. Step 5: Solve for x
    x = 29,763,386.67/7,753.32
  6. Step 6: Final answer
    x = 3,838.79

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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.