Home / 5,422.91-7,487.85-4,161.96

Finding the Fourth Proportional to 5,422.91, 7,487.85 and 4,161.96

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Solution

The fourth proportional to 5,422.91, 7,487.85 and 4,161.96 is: 5,746.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.91 : 7,487.85 = 4,161.96 : x
  2. Step 2: Convert to fraction form
    5,422.91/7,487.85 = 4,161.96/x
  3. Step 3: Cross multiply
    5,422.91x = 7,487.85 × 4,161.96
  4. Step 4: Simplify right side
    5,422.91x = 31,164,132.19
  5. Step 5: Solve for x
    x = 31,164,132.19/5,422.91
  6. Step 6: Final answer
    x = 5,746.76

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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.