Home / 5,031.92-7,540.19-2,108.63

Finding the Fourth Proportional to 5,031.92, 7,540.19 and 2,108.63

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Solution

The fourth proportional to 5,031.92, 7,540.19 and 2,108.63 is: 3,159.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.92 : 7,540.19 = 2,108.63 : x
  2. Step 2: Convert to fraction form
    5,031.92/7,540.19 = 2,108.63/x
  3. Step 3: Cross multiply
    5,031.92x = 7,540.19 × 2,108.63
  4. Step 4: Simplify right side
    5,031.92x = 15,899,487.05
  5. Step 5: Solve for x
    x = 15,899,487.05/5,031.92
  6. Step 6: Final answer
    x = 3,159.72

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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.