Home / 6,440.11-9,655.61-3,151.10

Finding the Fourth Proportional to 6,440.11, 9,655.61 and 3,151.10

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Solution

The fourth proportional to 6,440.11, 9,655.61 and 3,151.10 is: 4,724.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440.11 : 9,655.61 = 3,151.10 : x
  2. Step 2: Convert to fraction form
    6,440.11/9,655.61 = 3,151.10/x
  3. Step 3: Cross multiply
    6,440.11x = 9,655.61 × 3,151.10
  4. Step 4: Simplify right side
    6,440.11x = 30,425,801.05
  5. Step 5: Solve for x
    x = 30,425,801.05/6,440.11
  6. Step 6: Final answer
    x = 4,724.42

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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.