Home / 5,223.66-7,836.57-1,761.18

Finding the Fourth Proportional to 5,223.66, 7,836.57 and 1,761.18

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Solution

The fourth proportional to 5,223.66, 7,836.57 and 1,761.18 is: 2,642.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,223.66 : 7,836.57 = 1,761.18 : x
  2. Step 2: Convert to fraction form
    5,223.66/7,836.57 = 1,761.18/x
  3. Step 3: Cross multiply
    5,223.66x = 7,836.57 × 1,761.18
  4. Step 4: Simplify right side
    5,223.66x = 13,801,610.35
  5. Step 5: Solve for x
    x = 13,801,610.35/5,223.66
  6. Step 6: Final answer
    x = 2,642.13

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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.