Home / 6,601.55-9,902.62-2,159.47

Finding the Fourth Proportional to 6,601.55, 9,902.62 and 2,159.47

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Solution

The fourth proportional to 6,601.55, 9,902.62 and 2,159.47 is: 3,239.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,601.55 : 9,902.62 = 2,159.47 : x
  2. Step 2: Convert to fraction form
    6,601.55/9,902.62 = 2,159.47/x
  3. Step 3: Cross multiply
    6,601.55x = 9,902.62 × 2,159.47
  4. Step 4: Simplify right side
    6,601.55x = 21,384,365.05
  5. Step 5: Solve for x
    x = 21,384,365.05/6,601.55
  6. Step 6: Final answer
    x = 3,239.30

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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.