Home / 4,839.27-7,261.10-2,868.78

Finding the Fourth Proportional to 4,839.27, 7,261.10 and 2,868.78

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Solution

The fourth proportional to 4,839.27, 7,261.10 and 2,868.78 is: 4,304.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839.27 : 7,261.10 = 2,868.78 : x
  2. Step 2: Convert to fraction form
    4,839.27/7,261.10 = 2,868.78/x
  3. Step 3: Cross multiply
    4,839.27x = 7,261.10 × 2,868.78
  4. Step 4: Simplify right side
    4,839.27x = 20,830,498.46
  5. Step 5: Solve for x
    x = 20,830,498.46/4,839.27
  6. Step 6: Final answer
    x = 4,304.47

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1.5x scale

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.