Home / 5,434.62-8,146.53-2,661.18

Finding the Fourth Proportional to 5,434.62, 8,146.53 and 2,661.18

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Solution

The fourth proportional to 5,434.62, 8,146.53 and 2,661.18 is: 3,989.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434.62 : 8,146.53 = 2,661.18 : x
  2. Step 2: Convert to fraction form
    5,434.62/8,146.53 = 2,661.18/x
  3. Step 3: Cross multiply
    5,434.62x = 8,146.53 × 2,661.18
  4. Step 4: Simplify right side
    5,434.62x = 21,679,382.71
  5. Step 5: Solve for x
    x = 21,679,382.71/5,434.62
  6. Step 6: Final answer
    x = 3,989.13

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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.