Home / 5,672.20-8,501.10-4,131.40

Finding the Fourth Proportional to 5,672.20, 8,501.10 and 4,131.40

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Solution

The fourth proportional to 5,672.20, 8,501.10 and 4,131.40 is: 6,191.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,672.20 : 8,501.10 = 4,131.40 : x
  2. Step 2: Convert to fraction form
    5,672.20/8,501.10 = 4,131.40/x
  3. Step 3: Cross multiply
    5,672.20x = 8,501.10 × 4,131.40
  4. Step 4: Simplify right side
    5,672.20x = 35,121,444.54
  5. Step 5: Solve for x
    x = 35,121,444.54/5,672.20
  6. Step 6: Final answer
    x = 6,191.86

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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.