Home / 6,340.16-9,510.89-2,179.62

Finding the Fourth Proportional to 6,340.16, 9,510.89 and 2,179.62

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Solution

The fourth proportional to 6,340.16, 9,510.89 and 2,179.62 is: 3,269.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,340.16 : 9,510.89 = 2,179.62 : x
  2. Step 2: Convert to fraction form
    6,340.16/9,510.89 = 2,179.62/x
  3. Step 3: Cross multiply
    6,340.16x = 9,510.89 × 2,179.62
  4. Step 4: Simplify right side
    6,340.16x = 20,730,115.16
  5. Step 5: Solve for x
    x = 20,730,115.16/6,340.16
  6. Step 6: Final answer
    x = 3,269.65

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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.