Home / 8,746.11-13,114.80-5,191.85

Finding the Fourth Proportional to 8,746.11, 13,114.80 and 5,191.85

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Solution

The fourth proportional to 8,746.11, 13,114.80 and 5,191.85 is: 7,785.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,746.11 : 13,114.80 = 5,191.85 : x
  2. Step 2: Convert to fraction form
    8,746.11/13,114.80 = 5,191.85/x
  3. Step 3: Cross multiply
    8,746.11x = 13,114.80 × 5,191.85
  4. Step 4: Simplify right side
    8,746.11x = 68,090,107.17
  5. Step 5: Solve for x
    x = 68,090,107.17/8,746.11
  6. Step 6: Final answer
    x = 7,785.19

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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.