Home / 6,891.72-10,337.60-2,506.40

Finding the Fourth Proportional to 6,891.72, 10,337.60 and 2,506.40

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Solution

The fourth proportional to 6,891.72, 10,337.60 and 2,506.40 is: 3,759.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,891.72 : 10,337.60 = 2,506.40 : x
  2. Step 2: Convert to fraction form
    6,891.72/10,337.60 = 2,506.40/x
  3. Step 3: Cross multiply
    6,891.72x = 10,337.60 × 2,506.40
  4. Step 4: Simplify right side
    6,891.72x = 25,910,160.64
  5. Step 5: Solve for x
    x = 25,910,160.64/6,891.72
  6. Step 6: Final answer
    x = 3,759.61

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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.