Home / 6,639.42-9,959.13-2,260.02

Finding the Fourth Proportional to 6,639.42, 9,959.13 and 2,260.02

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Solution

The fourth proportional to 6,639.42, 9,959.13 and 2,260.02 is: 3,390.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639.42 : 9,959.13 = 2,260.02 : x
  2. Step 2: Convert to fraction form
    6,639.42/9,959.13 = 2,260.02/x
  3. Step 3: Cross multiply
    6,639.42x = 9,959.13 × 2,260.02
  4. Step 4: Simplify right side
    6,639.42x = 22,507,832.98
  5. Step 5: Solve for x
    x = 22,507,832.98/6,639.42
  6. Step 6: Final answer
    x = 3,390.03

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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.