Home / 4,186.57-6,279.84-1,265.11

Finding the Fourth Proportional to 4,186.57, 6,279.84 and 1,265.11

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Solution

The fourth proportional to 4,186.57, 6,279.84 and 1,265.11 is: 1,897.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.57 : 6,279.84 = 1,265.11 : x
  2. Step 2: Convert to fraction form
    4,186.57/6,279.84 = 1,265.11/x
  3. Step 3: Cross multiply
    4,186.57x = 6,279.84 × 1,265.11
  4. Step 4: Simplify right side
    4,186.57x = 7,944,688.38
  5. Step 5: Solve for x
    x = 7,944,688.38/4,186.57
  6. Step 6: Final answer
    x = 1,897.66

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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.