Home / 6,650.10-9,975.34-3,141.76

Finding the Fourth Proportional to 6,650.10, 9,975.34 and 3,141.76

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Solution

The fourth proportional to 6,650.10, 9,975.34 and 3,141.76 is: 4,712.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,650.10 : 9,975.34 = 3,141.76 : x
  2. Step 2: Convert to fraction form
    6,650.10/9,975.34 = 3,141.76/x
  3. Step 3: Cross multiply
    6,650.10x = 9,975.34 × 3,141.76
  4. Step 4: Simplify right side
    6,650.10x = 31,340,145.53
  5. Step 5: Solve for x
    x = 31,340,145.53/6,650.10
  6. Step 6: Final answer
    x = 4,712.73

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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.