Home / 6,581.10-9,872.10-2,077.77

Finding the Fourth Proportional to 6,581.10, 9,872.10 and 2,077.77

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Solution

The fourth proportional to 6,581.10, 9,872.10 and 2,077.77 is: 3,116.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,581.10 : 9,872.10 = 2,077.77 : x
  2. Step 2: Convert to fraction form
    6,581.10/9,872.10 = 2,077.77/x
  3. Step 3: Cross multiply
    6,581.10x = 9,872.10 × 2,077.77
  4. Step 4: Simplify right side
    6,581.10x = 20,511,953.22
  5. Step 5: Solve for x
    x = 20,511,953.22/6,581.10
  6. Step 6: Final answer
    x = 3,116.80

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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.