Home / 7,734.32-11,602.18-2,187.72

Finding the Fourth Proportional to 7,734.32, 11,602.18 and 2,187.72

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Solution

The fourth proportional to 7,734.32, 11,602.18 and 2,187.72 is: 3,281.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,734.32 : 11,602.18 = 2,187.72 : x
  2. Step 2: Convert to fraction form
    7,734.32/11,602.18 = 2,187.72/x
  3. Step 3: Cross multiply
    7,734.32x = 11,602.18 × 2,187.72
  4. Step 4: Simplify right side
    7,734.32x = 25,382,321.23
  5. Step 5: Solve for x
    x = 25,382,321.23/7,734.32
  6. Step 6: Final answer
    x = 3,281.78

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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.