Home / 6,400.32-9,599.96-2,239.89

Finding the Fourth Proportional to 6,400.32, 9,599.96 and 2,239.89

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Solution

The fourth proportional to 6,400.32, 9,599.96 and 2,239.89 is: 3,359.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,400.32 : 9,599.96 = 2,239.89 : x
  2. Step 2: Convert to fraction form
    6,400.32/9,599.96 = 2,239.89/x
  3. Step 3: Cross multiply
    6,400.32x = 9,599.96 × 2,239.89
  4. Step 4: Simplify right side
    6,400.32x = 21,502,843.20
  5. Step 5: Solve for x
    x = 21,502,843.20/6,400.32
  6. Step 6: Final answer
    x = 3,359.65

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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.