Home / 6,280.32-9,414.90-5,361.78

Finding the Fourth Proportional to 6,280.32, 9,414.90 and 5,361.78

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Solution

The fourth proportional to 6,280.32, 9,414.90 and 5,361.78 is: 8,037.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,280.32 : 9,414.90 = 5,361.78 : x
  2. Step 2: Convert to fraction form
    6,280.32/9,414.90 = 5,361.78/x
  3. Step 3: Cross multiply
    6,280.32x = 9,414.90 × 5,361.78
  4. Step 4: Simplify right side
    6,280.32x = 50,480,622.52
  5. Step 5: Solve for x
    x = 50,480,622.52/6,280.32
  6. Step 6: Final answer
    x = 8,037.91

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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.