Home / 5,571-7,689.18-3,333.38

Finding the Fourth Proportional to 5,571, 7,689.18 and 3,333.38

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Solution

The fourth proportional to 5,571, 7,689.18 and 3,333.38 is: 4,600.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,571 : 7,689.18 = 3,333.38 : x
  2. Step 2: Convert to fraction form
    5,571/7,689.18 = 3,333.38/x
  3. Step 3: Cross multiply
    5,571x = 7,689.18 × 3,333.38
  4. Step 4: Simplify right side
    5,571x = 25,630,920.38
  5. Step 5: Solve for x
    x = 25,630,920.38/5,571
  6. Step 6: Final answer
    x = 4,600.78

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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.