Home / 7,146.62-9,862.35-4,002.86

Finding the Fourth Proportional to 7,146.62, 9,862.35 and 4,002.86

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Solution

The fourth proportional to 7,146.62, 9,862.35 and 4,002.86 is: 5,523.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146.62 : 9,862.35 = 4,002.86 : x
  2. Step 2: Convert to fraction form
    7,146.62/9,862.35 = 4,002.86/x
  3. Step 3: Cross multiply
    7,146.62x = 9,862.35 × 4,002.86
  4. Step 4: Simplify right side
    7,146.62x = 39,477,606.32
  5. Step 5: Solve for x
    x = 39,477,606.32/7,146.62
  6. Step 6: Final answer
    x = 5,523.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.