Home / 4,187.24-5,774.49-3,127.61

Finding the Fourth Proportional to 4,187.24, 5,774.49 and 3,127.61

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Solution

The fourth proportional to 4,187.24, 5,774.49 and 3,127.61 is: 4,313.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.24 : 5,774.49 = 3,127.61 : x
  2. Step 2: Convert to fraction form
    4,187.24/5,774.49 = 3,127.61/x
  3. Step 3: Cross multiply
    4,187.24x = 5,774.49 × 3,127.61
  4. Step 4: Simplify right side
    4,187.24x = 18,060,367.11
  5. Step 5: Solve for x
    x = 18,060,367.11/4,187.24
  6. Step 6: Final answer
    x = 4,313.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.