Home / 4,003.96-5,528-2,747.12

Finding the Fourth Proportional to 4,003.96, 5,528 and 2,747.12

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Solution

The fourth proportional to 4,003.96, 5,528 and 2,747.12 is: 3,792.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,003.96 : 5,528 = 2,747.12 : x
  2. Step 2: Convert to fraction form
    4,003.96/5,528 = 2,747.12/x
  3. Step 3: Cross multiply
    4,003.96x = 5,528 × 2,747.12
  4. Step 4: Simplify right side
    4,003.96x = 15,186,079.36
  5. Step 5: Solve for x
    x = 15,186,079.36/4,003.96
  6. Step 6: Final answer
    x = 3,792.77

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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.