Home / 7,400.54-10,212.33-4,042.69

Finding the Fourth Proportional to 7,400.54, 10,212.33 and 4,042.69

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Solution

The fourth proportional to 7,400.54, 10,212.33 and 4,042.69 is: 5,578.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.54 : 10,212.33 = 4,042.69 : x
  2. Step 2: Convert to fraction form
    7,400.54/10,212.33 = 4,042.69/x
  3. Step 3: Cross multiply
    7,400.54x = 10,212.33 × 4,042.69
  4. Step 4: Simplify right side
    7,400.54x = 41,285,258.84
  5. Step 5: Solve for x
    x = 41,285,258.84/7,400.54
  6. Step 6: Final answer
    x = 5,578.68

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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.