Home / 5,476.98-7,557.80-3,238.95

Finding the Fourth Proportional to 5,476.98, 7,557.80 and 3,238.95

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Solution

The fourth proportional to 5,476.98, 7,557.80 and 3,238.95 is: 4,469.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.98 : 7,557.80 = 3,238.95 : x
  2. Step 2: Convert to fraction form
    5,476.98/7,557.80 = 3,238.95/x
  3. Step 3: Cross multiply
    5,476.98x = 7,557.80 × 3,238.95
  4. Step 4: Simplify right side
    5,476.98x = 24,479,320.12
  5. Step 5: Solve for x
    x = 24,479,320.12/5,476.98
  6. Step 6: Final answer
    x = 4,469.49

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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.