Home / 8,125.13-12,189.65-4,174.82

Finding the Fourth Proportional to 8,125.13, 12,189.65 and 4,174.82

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Solution

The fourth proportional to 8,125.13, 12,189.65 and 4,174.82 is: 6,263.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.13 : 12,189.65 = 4,174.82 : x
  2. Step 2: Convert to fraction form
    8,125.13/12,189.65 = 4,174.82/x
  3. Step 3: Cross multiply
    8,125.13x = 12,189.65 × 4,174.82
  4. Step 4: Simplify right side
    8,125.13x = 50,889,594.61
  5. Step 5: Solve for x
    x = 50,889,594.61/8,125.13
  6. Step 6: Final answer
    x = 6,263.23

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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.