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Finding the Fourth Proportional to 5,841.95, 8,061.90 and 3,189.38

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Solution

The fourth proportional to 5,841.95, 8,061.90 and 3,189.38 is: 4,401.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,841.95 : 8,061.90 = 3,189.38 : x
  2. Step 2: Convert to fraction form
    5,841.95/8,061.90 = 3,189.38/x
  3. Step 3: Cross multiply
    5,841.95x = 8,061.90 × 3,189.38
  4. Step 4: Simplify right side
    5,841.95x = 25,712,462.62
  5. Step 5: Solve for x
    x = 25,712,462.62/5,841.95
  6. Step 6: Final answer
    x = 4,401.35

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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.