Home / 6,785.92-9,364.80-6,474.88

Finding the Fourth Proportional to 6,785.92, 9,364.80 and 6,474.88

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Solution

The fourth proportional to 6,785.92, 9,364.80 and 6,474.88 is: 8,935.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,785.92 : 9,364.80 = 6,474.88 : x
  2. Step 2: Convert to fraction form
    6,785.92/9,364.80 = 6,474.88/x
  3. Step 3: Cross multiply
    6,785.92x = 9,364.80 × 6,474.88
  4. Step 4: Simplify right side
    6,785.92x = 60,635,956.22
  5. Step 5: Solve for x
    x = 60,635,956.22/6,785.92
  6. Step 6: Final answer
    x = 8,935.55

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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.