Home / 5,330.17-7,981.89-2,865.70

Finding the Fourth Proportional to 5,330.17, 7,981.89 and 2,865.70

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Solution

The fourth proportional to 5,330.17, 7,981.89 and 2,865.70 is: 4,291.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.17 : 7,981.89 = 2,865.70 : x
  2. Step 2: Convert to fraction form
    5,330.17/7,981.89 = 2,865.70/x
  3. Step 3: Cross multiply
    5,330.17x = 7,981.89 × 2,865.70
  4. Step 4: Simplify right side
    5,330.17x = 22,873,702.17
  5. Step 5: Solve for x
    x = 22,873,702.17/5,330.17
  6. Step 6: Final answer
    x = 4,291.36

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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.