Home / 9,785.38-14,677.74-2,765.92

Finding the Fourth Proportional to 9,785.38, 14,677.74 and 2,765.92

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Solution

The fourth proportional to 9,785.38, 14,677.74 and 2,765.92 is: 4,148.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,785.38 : 14,677.74 = 2,765.92 : x
  2. Step 2: Convert to fraction form
    9,785.38/14,677.74 = 2,765.92/x
  3. Step 3: Cross multiply
    9,785.38x = 14,677.74 × 2,765.92
  4. Step 4: Simplify right side
    9,785.38x = 40,597,454.62
  5. Step 5: Solve for x
    x = 40,597,454.62/9,785.38
  6. Step 6: Final answer
    x = 4,148.79

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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.