Home / 7,519.78-10,377.22-4,162.60

Finding the Fourth Proportional to 7,519.78, 10,377.22 and 4,162.60

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Solution

The fourth proportional to 7,519.78, 10,377.22 and 4,162.60 is: 5,744.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.78 : 10,377.22 = 4,162.60 : x
  2. Step 2: Convert to fraction form
    7,519.78/10,377.22 = 4,162.60/x
  3. Step 3: Cross multiply
    7,519.78x = 10,377.22 × 4,162.60
  4. Step 4: Simplify right side
    7,519.78x = 43,196,215.97
  5. Step 5: Solve for x
    x = 43,196,215.97/7,519.78
  6. Step 6: Final answer
    x = 5,744.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.