Home / 4,188.11-6,282.56-1,265.90

Finding the Fourth Proportional to 4,188.11, 6,282.56 and 1,265.90

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Solution

The fourth proportional to 4,188.11, 6,282.56 and 1,265.90 is: 1,898.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.11 : 6,282.56 = 1,265.90 : x
  2. Step 2: Convert to fraction form
    4,188.11/6,282.56 = 1,265.90/x
  3. Step 3: Cross multiply
    4,188.11x = 6,282.56 × 1,265.90
  4. Step 4: Simplify right side
    4,188.11x = 7,953,064.46
  5. Step 5: Solve for x
    x = 7,953,064.46/4,188.11
  6. Step 6: Final answer
    x = 1,898.96

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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.