Home / 5,680.83-7,841.58-3,291.87

Finding the Fourth Proportional to 5,680.83, 7,841.58 and 3,291.87

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Solution

The fourth proportional to 5,680.83, 7,841.58 and 3,291.87 is: 4,543.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.83 : 7,841.58 = 3,291.87 : x
  2. Step 2: Convert to fraction form
    5,680.83/7,841.58 = 3,291.87/x
  3. Step 3: Cross multiply
    5,680.83x = 7,841.58 × 3,291.87
  4. Step 4: Simplify right side
    5,680.83x = 25,813,461.95
  5. Step 5: Solve for x
    x = 25,813,461.95/5,680.83
  6. Step 6: Final answer
    x = 4,543.96

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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.