Home / 6,441.12-9,661.16-2,545.60

Finding the Fourth Proportional to 6,441.12, 9,661.16 and 2,545.60

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Solution

The fourth proportional to 6,441.12, 9,661.16 and 2,545.60 is: 3,818.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,441.12 : 9,661.16 = 2,545.60 : x
  2. Step 2: Convert to fraction form
    6,441.12/9,661.16 = 2,545.60/x
  3. Step 3: Cross multiply
    6,441.12x = 9,661.16 × 2,545.60
  4. Step 4: Simplify right side
    6,441.12x = 24,593,448.90
  5. Step 5: Solve for x
    x = 24,593,448.90/6,441.12
  6. Step 6: Final answer
    x = 3,818.19

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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.