Home / 5,154.44-7,112.93-2,915.87

Finding the Fourth Proportional to 5,154.44, 7,112.93 and 2,915.87

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Solution

The fourth proportional to 5,154.44, 7,112.93 and 2,915.87 is: 4,023.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.44 : 7,112.93 = 2,915.87 : x
  2. Step 2: Convert to fraction form
    5,154.44/7,112.93 = 2,915.87/x
  3. Step 3: Cross multiply
    5,154.44x = 7,112.93 × 2,915.87
  4. Step 4: Simplify right side
    5,154.44x = 20,740,329.06
  5. Step 5: Solve for x
    x = 20,740,329.06/5,154.44
  6. Step 6: Final answer
    x = 4,023.78

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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.