Home / 8,125.47-12,186.05-3,744.99

Finding the Fourth Proportional to 8,125.47, 12,186.05 and 3,744.99

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Solution

The fourth proportional to 8,125.47, 12,186.05 and 3,744.99 is: 5,616.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.47 : 12,186.05 = 3,744.99 : x
  2. Step 2: Convert to fraction form
    8,125.47/12,186.05 = 3,744.99/x
  3. Step 3: Cross multiply
    8,125.47x = 12,186.05 × 3,744.99
  4. Step 4: Simplify right side
    8,125.47x = 45,636,616.66
  5. Step 5: Solve for x
    x = 45,636,616.66/8,125.47
  6. Step 6: Final answer
    x = 5,616.49

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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.