Home / 5,877.28-8,816.20-3,278.24

Finding the Fourth Proportional to 5,877.28, 8,816.20 and 3,278.24

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Solution

The fourth proportional to 5,877.28, 8,816.20 and 3,278.24 is: 4,917.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,877.28 : 8,816.20 = 3,278.24 : x
  2. Step 2: Convert to fraction form
    5,877.28/8,816.20 = 3,278.24/x
  3. Step 3: Cross multiply
    5,877.28x = 8,816.20 × 3,278.24
  4. Step 4: Simplify right side
    5,877.28x = 28,901,619.49
  5. Step 5: Solve for x
    x = 28,901,619.49/5,877.28
  6. Step 6: Final answer
    x = 4,917.52

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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.