Home / 6,601.45-9,904.38-2,159.32

Finding the Fourth Proportional to 6,601.45, 9,904.38 and 2,159.32

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Solution

The fourth proportional to 6,601.45, 9,904.38 and 2,159.32 is: 3,239.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,601.45 : 9,904.38 = 2,159.32 : x
  2. Step 2: Convert to fraction form
    6,601.45/9,904.38 = 2,159.32/x
  3. Step 3: Cross multiply
    6,601.45x = 9,904.38 × 2,159.32
  4. Step 4: Simplify right side
    6,601.45x = 21,386,665.50
  5. Step 5: Solve for x
    x = 21,386,665.50/6,601.45
  6. Step 6: Final answer
    x = 3,239.69

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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.