Home / 7,578.44-10,456.66-4,391.55

Finding the Fourth Proportional to 7,578.44, 10,456.66 and 4,391.55

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Solution

The fourth proportional to 7,578.44, 10,456.66 and 4,391.55 is: 6,059.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,578.44 : 10,456.66 = 4,391.55 : x
  2. Step 2: Convert to fraction form
    7,578.44/10,456.66 = 4,391.55/x
  3. Step 3: Cross multiply
    7,578.44x = 10,456.66 × 4,391.55
  4. Step 4: Simplify right side
    7,578.44x = 45,920,945.22
  5. Step 5: Solve for x
    x = 45,920,945.22/7,578.44
  6. Step 6: Final answer
    x = 6,059.42

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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.