Home / 3,712.32-5,567.95-938.82

Finding the Fourth Proportional to 3,712.32, 5,567.95 and 938.82

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Solution

The fourth proportional to 3,712.32, 5,567.95 and 938.82 is: 1,408.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.32 : 5,567.95 = 938.82 : x
  2. Step 2: Convert to fraction form
    3,712.32/5,567.95 = 938.82/x
  3. Step 3: Cross multiply
    3,712.32x = 5,567.95 × 938.82
  4. Step 4: Simplify right side
    3,712.32x = 5,227,302.82
  5. Step 5: Solve for x
    x = 5,227,302.82/3,712.32
  6. Step 6: Final answer
    x = 1,408.10

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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.