Home / 7,438.95-11,157.78-2,508.48

Finding the Fourth Proportional to 7,438.95, 11,157.78 and 2,508.48

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Solution

The fourth proportional to 7,438.95, 11,157.78 and 2,508.48 is: 3,762.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.95 : 11,157.78 = 2,508.48 : x
  2. Step 2: Convert to fraction form
    7,438.95/11,157.78 = 2,508.48/x
  3. Step 3: Cross multiply
    7,438.95x = 11,157.78 × 2,508.48
  4. Step 4: Simplify right side
    7,438.95x = 27,989,067.97
  5. Step 5: Solve for x
    x = 27,989,067.97/7,438.95
  6. Step 6: Final answer
    x = 3,762.50

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Find fourth proportional to 3,719.48, 5,578.89 and 1,254.24
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.