Home / 6,601.30-9,901.59-2,218.30

Finding the Fourth Proportional to 6,601.30, 9,901.59 and 2,218.30

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Solution

The fourth proportional to 6,601.30, 9,901.59 and 2,218.30 is: 3,327.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,601.30 : 9,901.59 = 2,218.30 : x
  2. Step 2: Convert to fraction form
    6,601.30/9,901.59 = 2,218.30/x
  3. Step 3: Cross multiply
    6,601.30x = 9,901.59 × 2,218.30
  4. Step 4: Simplify right side
    6,601.30x = 21,964,697.10
  5. Step 5: Solve for x
    x = 21,964,697.10/6,601.30
  6. Step 6: Final answer
    x = 3,327.33

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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.