Home / 4,061.26-6,091.62-1,287.87

Finding the Fourth Proportional to 4,061.26, 6,091.62 and 1,287.87

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Solution

The fourth proportional to 4,061.26, 6,091.62 and 1,287.87 is: 1,931.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,061.26 : 6,091.62 = 1,287.87 : x
  2. Step 2: Convert to fraction form
    4,061.26/6,091.62 = 1,287.87/x
  3. Step 3: Cross multiply
    4,061.26x = 6,091.62 × 1,287.87
  4. Step 4: Simplify right side
    4,061.26x = 7,845,214.65
  5. Step 5: Solve for x
    x = 7,845,214.65/4,061.26
  6. Step 6: Final answer
    x = 1,931.72

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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.