Home / 4,480.28-6,178.53-2,687.48

Finding the Fourth Proportional to 4,480.28, 6,178.53 and 2,687.48

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Solution

The fourth proportional to 4,480.28, 6,178.53 and 2,687.48 is: 3,706.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.28 : 6,178.53 = 2,687.48 : x
  2. Step 2: Convert to fraction form
    4,480.28/6,178.53 = 2,687.48/x
  3. Step 3: Cross multiply
    4,480.28x = 6,178.53 × 2,687.48
  4. Step 4: Simplify right side
    4,480.28x = 16,604,675.80
  5. Step 5: Solve for x
    x = 16,604,675.80/4,480.28
  6. Step 6: Final answer
    x = 3,706.17

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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.