Home / 6,581.70-9,872.69-2,686.08

Finding the Fourth Proportional to 6,581.70, 9,872.69 and 2,686.08

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Solution

The fourth proportional to 6,581.70, 9,872.69 and 2,686.08 is: 4,029.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,581.70 : 9,872.69 = 2,686.08 : x
  2. Step 2: Convert to fraction form
    6,581.70/9,872.69 = 2,686.08/x
  3. Step 3: Cross multiply
    6,581.70x = 9,872.69 × 2,686.08
  4. Step 4: Simplify right side
    6,581.70x = 26,518,821.72
  5. Step 5: Solve for x
    x = 26,518,821.72/6,581.70
  6. Step 6: Final answer
    x = 4,029.18

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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.