Home / 8,684.19-13,031.60-3,753.72

Finding the Fourth Proportional to 8,684.19, 13,031.60 and 3,753.72

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Solution

The fourth proportional to 8,684.19, 13,031.60 and 3,753.72 is: 5,632.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,684.19 : 13,031.60 = 3,753.72 : x
  2. Step 2: Convert to fraction form
    8,684.19/13,031.60 = 3,753.72/x
  3. Step 3: Cross multiply
    8,684.19x = 13,031.60 × 3,753.72
  4. Step 4: Simplify right side
    8,684.19x = 48,916,958.78
  5. Step 5: Solve for x
    x = 48,916,958.78/8,684.19
  6. Step 6: Final answer
    x = 5,632.88

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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.