Home / 5,306.44-7,960.16-2,186.66

Finding the Fourth Proportional to 5,306.44, 7,960.16 and 2,186.66

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Solution

The fourth proportional to 5,306.44, 7,960.16 and 2,186.66 is: 3,280.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,306.44 : 7,960.16 = 2,186.66 : x
  2. Step 2: Convert to fraction form
    5,306.44/7,960.16 = 2,186.66/x
  3. Step 3: Cross multiply
    5,306.44x = 7,960.16 × 2,186.66
  4. Step 4: Simplify right side
    5,306.44x = 17,406,129.13
  5. Step 5: Solve for x
    x = 17,406,129.13/5,306.44
  6. Step 6: Final answer
    x = 3,280.19

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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.