Home / 8,125.49-12,191.57-4,174.77

Finding the Fourth Proportional to 8,125.49, 12,191.57 and 4,174.77

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Solution

The fourth proportional to 8,125.49, 12,191.57 and 4,174.77 is: 6,263.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.49 : 12,191.57 = 4,174.77 : x
  2. Step 2: Convert to fraction form
    8,125.49/12,191.57 = 4,174.77/x
  3. Step 3: Cross multiply
    8,125.49x = 12,191.57 × 4,174.77
  4. Step 4: Simplify right side
    8,125.49x = 50,896,979.82
  5. Step 5: Solve for x
    x = 50,896,979.82/8,125.49
  6. Step 6: Final answer
    x = 6,263.87

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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.