Home / 5,712.61-7,885.97-3,354.91

Finding the Fourth Proportional to 5,712.61, 7,885.97 and 3,354.91

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Solution

The fourth proportional to 5,712.61, 7,885.97 and 3,354.91 is: 4,631.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.61 : 7,885.97 = 3,354.91 : x
  2. Step 2: Convert to fraction form
    5,712.61/7,885.97 = 3,354.91/x
  3. Step 3: Cross multiply
    5,712.61x = 7,885.97 × 3,354.91
  4. Step 4: Simplify right side
    5,712.61x = 26,456,719.61
  5. Step 5: Solve for x
    x = 26,456,719.61/5,712.61
  6. Step 6: Final answer
    x = 4,631.28

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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.