Home / 5,478.84-8,207.33-3,393.90

Finding the Fourth Proportional to 5,478.84, 8,207.33 and 3,393.90

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Solution

The fourth proportional to 5,478.84, 8,207.33 and 3,393.90 is: 5,084.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478.84 : 8,207.33 = 3,393.90 : x
  2. Step 2: Convert to fraction form
    5,478.84/8,207.33 = 3,393.90/x
  3. Step 3: Cross multiply
    5,478.84x = 8,207.33 × 3,393.90
  4. Step 4: Simplify right side
    5,478.84x = 27,854,840.32
  5. Step 5: Solve for x
    x = 27,854,840.32/5,478.84
  6. Step 6: Final answer
    x = 5,084.08

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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.