Home / 5,278.33-7,281.66-3,389.41

Finding the Fourth Proportional to 5,278.33, 7,281.66 and 3,389.41

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Solution

The fourth proportional to 5,278.33, 7,281.66 and 3,389.41 is: 4,675.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,278.33 : 7,281.66 = 3,389.41 : x
  2. Step 2: Convert to fraction form
    5,278.33/7,281.66 = 3,389.41/x
  3. Step 3: Cross multiply
    5,278.33x = 7,281.66 × 3,389.41
  4. Step 4: Simplify right side
    5,278.33x = 24,680,531.22
  5. Step 5: Solve for x
    x = 24,680,531.22/5,278.33
  6. Step 6: Final answer
    x = 4,675.82

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