Home / 6,902.40-10,347.38-2,516.78

Finding the Fourth Proportional to 6,902.40, 10,347.38 and 2,516.78

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Solution

The fourth proportional to 6,902.40, 10,347.38 and 2,516.78 is: 3,772.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,902.40 : 10,347.38 = 2,516.78 : x
  2. Step 2: Convert to fraction form
    6,902.40/10,347.38 = 2,516.78/x
  3. Step 3: Cross multiply
    6,902.40x = 10,347.38 × 2,516.78
  4. Step 4: Simplify right side
    6,902.40x = 26,042,079.04
  5. Step 5: Solve for x
    x = 26,042,079.04/6,902.40
  6. Step 6: Final answer
    x = 3,772.90

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1.5x scale

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.