Home / 5,785.39-8,671.11-2,661.12

Finding the Fourth Proportional to 5,785.39, 8,671.11 and 2,661.12

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Solution

The fourth proportional to 5,785.39, 8,671.11 and 2,661.12 is: 3,988.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.39 : 8,671.11 = 2,661.12 : x
  2. Step 2: Convert to fraction form
    5,785.39/8,671.11 = 2,661.12/x
  3. Step 3: Cross multiply
    5,785.39x = 8,671.11 × 2,661.12
  4. Step 4: Simplify right side
    5,785.39x = 23,074,836.39
  5. Step 5: Solve for x
    x = 23,074,836.39/5,785.39
  6. Step 6: Final answer
    x = 3,988.46

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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.