Home / 4,188.08-6,282.42-1,591

Finding the Fourth Proportional to 4,188.08, 6,282.42 and 1,591

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Solution

The fourth proportional to 4,188.08, 6,282.42 and 1,591 is: 2,386.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.08 : 6,282.42 = 1,591 : x
  2. Step 2: Convert to fraction form
    4,188.08/6,282.42 = 1,591/x
  3. Step 3: Cross multiply
    4,188.08x = 6,282.42 × 1,591
  4. Step 4: Simplify right side
    4,188.08x = 9,995,330.22
  5. Step 5: Solve for x
    x = 9,995,330.22/4,188.08
  6. Step 6: Final answer
    x = 2,386.61

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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.