Home / 4,042.11-5,588.13-4,005.21

Finding the Fourth Proportional to 4,042.11, 5,588.13 and 4,005.21

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Solution

The fourth proportional to 4,042.11, 5,588.13 and 4,005.21 is: 5,537.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,042.11 : 5,588.13 = 4,005.21 : x
  2. Step 2: Convert to fraction form
    4,042.11/5,588.13 = 4,005.21/x
  3. Step 3: Cross multiply
    4,042.11x = 5,588.13 × 4,005.21
  4. Step 4: Simplify right side
    4,042.11x = 22,381,634.16
  5. Step 5: Solve for x
    x = 22,381,634.16/4,042.11
  6. Step 6: Final answer
    x = 5,537.12

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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.