Home / 5,153.74-7,729.90-3,074.02

Finding the Fourth Proportional to 5,153.74, 7,729.90 and 3,074.02

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Solution

The fourth proportional to 5,153.74, 7,729.90 and 3,074.02 is: 4,610.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.74 : 7,729.90 = 3,074.02 : x
  2. Step 2: Convert to fraction form
    5,153.74/7,729.90 = 3,074.02/x
  3. Step 3: Cross multiply
    5,153.74x = 7,729.90 × 3,074.02
  4. Step 4: Simplify right side
    5,153.74x = 23,761,867.20
  5. Step 5: Solve for x
    x = 23,761,867.20/5,153.74
  6. Step 6: Final answer
    x = 4,610.61

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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.