Home / 6,257.64-9,378.60-5,475.78

Finding the Fourth Proportional to 6,257.64, 9,378.60 and 5,475.78

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Solution

The fourth proportional to 6,257.64, 9,378.60 and 5,475.78 is: 8,206.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,257.64 : 9,378.60 = 5,475.78 : x
  2. Step 2: Convert to fraction form
    6,257.64/9,378.60 = 5,475.78/x
  3. Step 3: Cross multiply
    6,257.64x = 9,378.60 × 5,475.78
  4. Step 4: Simplify right side
    6,257.64x = 51,355,150.31
  5. Step 5: Solve for x
    x = 51,355,150.31/6,257.64
  6. Step 6: Final answer
    x = 8,206.79

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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.