Home / 5,240.81-7,862.19-1,731.06

Finding the Fourth Proportional to 5,240.81, 7,862.19 and 1,731.06

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Solution

The fourth proportional to 5,240.81, 7,862.19 and 1,731.06 is: 2,596.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.81 : 7,862.19 = 1,731.06 : x
  2. Step 2: Convert to fraction form
    5,240.81/7,862.19 = 1,731.06/x
  3. Step 3: Cross multiply
    5,240.81x = 7,862.19 × 1,731.06
  4. Step 4: Simplify right side
    5,240.81x = 13,609,913.97
  5. Step 5: Solve for x
    x = 13,609,913.97/5,240.81
  6. Step 6: Final answer
    x = 2,596.91

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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.