Home / 5,869.85-8,100.45-3,217.31

Finding the Fourth Proportional to 5,869.85, 8,100.45 and 3,217.31

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Solution

The fourth proportional to 5,869.85, 8,100.45 and 3,217.31 is: 4,439.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,869.85 : 8,100.45 = 3,217.31 : x
  2. Step 2: Convert to fraction form
    5,869.85/8,100.45 = 3,217.31/x
  3. Step 3: Cross multiply
    5,869.85x = 8,100.45 × 3,217.31
  4. Step 4: Simplify right side
    5,869.85x = 26,061,618.29
  5. Step 5: Solve for x
    x = 26,061,618.29/5,869.85
  6. Step 6: Final answer
    x = 4,439.92

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1.5x scale

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.