Home / 6,861.13-10,291.49-2,698.13

Finding the Fourth Proportional to 6,861.13, 10,291.49 and 2,698.13

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Solution

The fourth proportional to 6,861.13, 10,291.49 and 2,698.13 is: 4,047.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861.13 : 10,291.49 = 2,698.13 : x
  2. Step 2: Convert to fraction form
    6,861.13/10,291.49 = 2,698.13/x
  3. Step 3: Cross multiply
    6,861.13x = 10,291.49 × 2,698.13
  4. Step 4: Simplify right side
    6,861.13x = 27,767,790.15
  5. Step 5: Solve for x
    x = 27,767,790.15/6,861.13
  6. Step 6: Final answer
    x = 4,047.12

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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.