Home / 8,391.13-12,585.83-2,844.33

Finding the Fourth Proportional to 8,391.13, 12,585.83 and 2,844.33

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Solution

The fourth proportional to 8,391.13, 12,585.83 and 2,844.33 is: 4,266.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,391.13 : 12,585.83 = 2,844.33 : x
  2. Step 2: Convert to fraction form
    8,391.13/12,585.83 = 2,844.33/x
  3. Step 3: Cross multiply
    8,391.13x = 12,585.83 × 2,844.33
  4. Step 4: Simplify right side
    8,391.13x = 35,798,253.84
  5. Step 5: Solve for x
    x = 35,798,253.84/8,391.13
  6. Step 6: Final answer
    x = 4,266.20

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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.