Home / 5,339.25-7,368.57-3,243.78

Finding the Fourth Proportional to 5,339.25, 7,368.57 and 3,243.78

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Solution

The fourth proportional to 5,339.25, 7,368.57 and 3,243.78 is: 4,476.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,339.25 : 7,368.57 = 3,243.78 : x
  2. Step 2: Convert to fraction form
    5,339.25/7,368.57 = 3,243.78/x
  3. Step 3: Cross multiply
    5,339.25x = 7,368.57 × 3,243.78
  4. Step 4: Simplify right side
    5,339.25x = 23,902,019.99
  5. Step 5: Solve for x
    x = 23,902,019.99/5,339.25
  6. Step 6: Final answer
    x = 4,476.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.