Home / 6,680.64-10,020.98-2,785

Finding the Fourth Proportional to 6,680.64, 10,020.98 and 2,785

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Solution

The fourth proportional to 6,680.64, 10,020.98 and 2,785 is: 4,177.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,680.64 : 10,020.98 = 2,785 : x
  2. Step 2: Convert to fraction form
    6,680.64/10,020.98 = 2,785/x
  3. Step 3: Cross multiply
    6,680.64x = 10,020.98 × 2,785
  4. Step 4: Simplify right side
    6,680.64x = 27,908,429.30
  5. Step 5: Solve for x
    x = 27,908,429.30/6,680.64
  6. Step 6: Final answer
    x = 4,177.51

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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.