Home / 5,389.11-7,436.80-3,265.89

Finding the Fourth Proportional to 5,389.11, 7,436.80 and 3,265.89

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Solution

The fourth proportional to 5,389.11, 7,436.80 and 3,265.89 is: 4,506.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.11 : 7,436.80 = 3,265.89 : x
  2. Step 2: Convert to fraction form
    5,389.11/7,436.80 = 3,265.89/x
  3. Step 3: Cross multiply
    5,389.11x = 7,436.80 × 3,265.89
  4. Step 4: Simplify right side
    5,389.11x = 24,287,770.75
  5. Step 5: Solve for x
    x = 24,287,770.75/5,389.11
  6. Step 6: Final answer
    x = 4,506.82

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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.