Home / 7,355.78-10,148.49-4,168.73

Finding the Fourth Proportional to 7,355.78, 10,148.49 and 4,168.73

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Solution

The fourth proportional to 7,355.78, 10,148.49 and 4,168.73 is: 5,751.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,355.78 : 10,148.49 = 4,168.73 : x
  2. Step 2: Convert to fraction form
    7,355.78/10,148.49 = 4,168.73/x
  3. Step 3: Cross multiply
    7,355.78x = 10,148.49 × 4,168.73
  4. Step 4: Simplify right side
    7,355.78x = 42,306,340.09
  5. Step 5: Solve for x
    x = 42,306,340.09/7,355.78
  6. Step 6: Final answer
    x = 5,751.44

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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.