Home / 7,874.44-10,867.36-4,338.28

Finding the Fourth Proportional to 7,874.44, 10,867.36 and 4,338.28

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Solution

The fourth proportional to 7,874.44, 10,867.36 and 4,338.28 is: 5,987.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,874.44 : 10,867.36 = 4,338.28 : x
  2. Step 2: Convert to fraction form
    7,874.44/10,867.36 = 4,338.28/x
  3. Step 3: Cross multiply
    7,874.44x = 10,867.36 × 4,338.28
  4. Step 4: Simplify right side
    7,874.44x = 47,145,650.54
  5. Step 5: Solve for x
    x = 47,145,650.54/7,874.44
  6. Step 6: Final answer
    x = 5,987.18

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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.