Home / 5,117.40-7,671.60-3,468.60

Finding the Fourth Proportional to 5,117.40, 7,671.60 and 3,468.60

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Solution

The fourth proportional to 5,117.40, 7,671.60 and 3,468.60 is: 5,199.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.40 : 7,671.60 = 3,468.60 : x
  2. Step 2: Convert to fraction form
    5,117.40/7,671.60 = 3,468.60/x
  3. Step 3: Cross multiply
    5,117.40x = 7,671.60 × 3,468.60
  4. Step 4: Simplify right side
    5,117.40x = 26,609,711.76
  5. Step 5: Solve for x
    x = 26,609,711.76/5,117.40
  6. Step 6: Final answer
    x = 5,199.85

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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.