Home / 6,482.32-9,721.40-2,321.20

Finding the Fourth Proportional to 6,482.32, 9,721.40 and 2,321.20

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Solution

The fourth proportional to 6,482.32, 9,721.40 and 2,321.20 is: 3,481.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,482.32 : 9,721.40 = 2,321.20 : x
  2. Step 2: Convert to fraction form
    6,482.32/9,721.40 = 2,321.20/x
  3. Step 3: Cross multiply
    6,482.32x = 9,721.40 × 2,321.20
  4. Step 4: Simplify right side
    6,482.32x = 22,565,313.68
  5. Step 5: Solve for x
    x = 22,565,313.68/6,482.32
  6. Step 6: Final answer
    x = 3,481.06

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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.