Home / 8,698.13-13,047.19-4,081.13

Finding the Fourth Proportional to 8,698.13, 13,047.19 and 4,081.13

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Solution

The fourth proportional to 8,698.13, 13,047.19 and 4,081.13 is: 6,121.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,698.13 : 13,047.19 = 4,081.13 : x
  2. Step 2: Convert to fraction form
    8,698.13/13,047.19 = 4,081.13/x
  3. Step 3: Cross multiply
    8,698.13x = 13,047.19 × 4,081.13
  4. Step 4: Simplify right side
    8,698.13x = 53,247,278.52
  5. Step 5: Solve for x
    x = 53,247,278.52/8,698.13
  6. Step 6: Final answer
    x = 6,121.69

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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.