Home / 5,428.98-7,486.62-3,304.80

Finding the Fourth Proportional to 5,428.98, 7,486.62 and 3,304.80

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Solution

The fourth proportional to 5,428.98, 7,486.62 and 3,304.80 is: 4,557.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428.98 : 7,486.62 = 3,304.80 : x
  2. Step 2: Convert to fraction form
    5,428.98/7,486.62 = 3,304.80/x
  3. Step 3: Cross multiply
    5,428.98x = 7,486.62 × 3,304.80
  4. Step 4: Simplify right side
    5,428.98x = 24,741,781.78
  5. Step 5: Solve for x
    x = 24,741,781.78/5,428.98
  6. Step 6: Final answer
    x = 4,557.35

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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.