Home / 6,065.61-9,102.30-3,989.79

Finding the Fourth Proportional to 6,065.61, 9,102.30 and 3,989.79

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Solution

The fourth proportional to 6,065.61, 9,102.30 and 3,989.79 is: 5,987.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,065.61 : 9,102.30 = 3,989.79 : x
  2. Step 2: Convert to fraction form
    6,065.61/9,102.30 = 3,989.79/x
  3. Step 3: Cross multiply
    6,065.61x = 9,102.30 × 3,989.79
  4. Step 4: Simplify right side
    6,065.61x = 36,316,265.52
  5. Step 5: Solve for x
    x = 36,316,265.52/6,065.61
  6. Step 6: Final answer
    x = 5,987.24

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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.