Home / 5,171.52-7,717.32-4,617.76

Finding the Fourth Proportional to 5,171.52, 7,717.32 and 4,617.76

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Solution

The fourth proportional to 5,171.52, 7,717.32 and 4,617.76 is: 6,890.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171.52 : 7,717.32 = 4,617.76 : x
  2. Step 2: Convert to fraction form
    5,171.52/7,717.32 = 4,617.76/x
  3. Step 3: Cross multiply
    5,171.52x = 7,717.32 × 4,617.76
  4. Step 4: Simplify right side
    5,171.52x = 35,636,731.60
  5. Step 5: Solve for x
    x = 35,636,731.60/5,171.52
  6. Step 6: Final answer
    x = 6,890.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.