Home / 6,376.13-9,561.87-2,215.02

Finding the Fourth Proportional to 6,376.13, 9,561.87 and 2,215.02

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Solution

The fourth proportional to 6,376.13, 9,561.87 and 2,215.02 is: 3,321.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,376.13 : 9,561.87 = 2,215.02 : x
  2. Step 2: Convert to fraction form
    6,376.13/9,561.87 = 2,215.02/x
  3. Step 3: Cross multiply
    6,376.13x = 9,561.87 × 2,215.02
  4. Step 4: Simplify right side
    6,376.13x = 21,179,733.29
  5. Step 5: Solve for x
    x = 21,179,733.29/6,376.13
  6. Step 6: Final answer
    x = 3,321.72

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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.