Home / 6,780.50-10,175.20-2,397.79

Finding the Fourth Proportional to 6,780.50, 10,175.20 and 2,397.79

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Solution

The fourth proportional to 6,780.50, 10,175.20 and 2,397.79 is: 3,598.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,780.50 : 10,175.20 = 2,397.79 : x
  2. Step 2: Convert to fraction form
    6,780.50/10,175.20 = 2,397.79/x
  3. Step 3: Cross multiply
    6,780.50x = 10,175.20 × 2,397.79
  4. Step 4: Simplify right side
    6,780.50x = 24,397,992.81
  5. Step 5: Solve for x
    x = 24,397,992.81/6,780.50
  6. Step 6: Final answer
    x = 3,598.26

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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.