Home / 5,179.17-7,763.16-2,543.61

Finding the Fourth Proportional to 5,179.17, 7,763.16 and 2,543.61

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Solution

The fourth proportional to 5,179.17, 7,763.16 and 2,543.61 is: 3,812.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.17 : 7,763.16 = 2,543.61 : x
  2. Step 2: Convert to fraction form
    5,179.17/7,763.16 = 2,543.61/x
  3. Step 3: Cross multiply
    5,179.17x = 7,763.16 × 2,543.61
  4. Step 4: Simplify right side
    5,179.17x = 19,746,451.41
  5. Step 5: Solve for x
    x = 19,746,451.41/5,179.17
  6. Step 6: Final answer
    x = 3,812.67

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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.