Home / 5,638.68-8,470.17-3,448.71

Finding the Fourth Proportional to 5,638.68, 8,470.17 and 3,448.71

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Solution

The fourth proportional to 5,638.68, 8,470.17 and 3,448.71 is: 5,180.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638.68 : 8,470.17 = 3,448.71 : x
  2. Step 2: Convert to fraction form
    5,638.68/8,470.17 = 3,448.71/x
  3. Step 3: Cross multiply
    5,638.68x = 8,470.17 × 3,448.71
  4. Step 4: Simplify right side
    5,638.68x = 29,211,159.98
  5. Step 5: Solve for x
    x = 29,211,159.98/5,638.68
  6. Step 6: Final answer
    x = 5,180.50

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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.