Home / 5,439.71-8,158.34-2,663.57

Finding the Fourth Proportional to 5,439.71, 8,158.34 and 2,663.57

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Solution

The fourth proportional to 5,439.71, 8,158.34 and 2,663.57 is: 3,994.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.71 : 8,158.34 = 2,663.57 : x
  2. Step 2: Convert to fraction form
    5,439.71/8,158.34 = 2,663.57/x
  3. Step 3: Cross multiply
    5,439.71x = 8,158.34 × 2,663.57
  4. Step 4: Simplify right side
    5,439.71x = 21,730,336.73
  5. Step 5: Solve for x
    x = 21,730,336.73/5,439.71
  6. Step 6: Final answer
    x = 3,994.76

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1.5x scale

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.