Home / 6,541.10-9,811.20-2,098.70

Finding the Fourth Proportional to 6,541.10, 9,811.20 and 2,098.70

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Solution

The fourth proportional to 6,541.10, 9,811.20 and 2,098.70 is: 3,147.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,541.10 : 9,811.20 = 2,098.70 : x
  2. Step 2: Convert to fraction form
    6,541.10/9,811.20 = 2,098.70/x
  3. Step 3: Cross multiply
    6,541.10x = 9,811.20 × 2,098.70
  4. Step 4: Simplify right side
    6,541.10x = 20,590,765.44
  5. Step 5: Solve for x
    x = 20,590,765.44/6,541.10
  6. Step 6: Final answer
    x = 3,147.91

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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.