Home / 4,851.44-7,277.92-2,078.12

Finding the Fourth Proportional to 4,851.44, 7,277.92 and 2,078.12

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Solution

The fourth proportional to 4,851.44, 7,277.92 and 2,078.12 is: 3,117.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,851.44 : 7,277.92 = 2,078.12 : x
  2. Step 2: Convert to fraction form
    4,851.44/7,277.92 = 2,078.12/x
  3. Step 3: Cross multiply
    4,851.44x = 7,277.92 × 2,078.12
  4. Step 4: Simplify right side
    4,851.44x = 15,124,391.11
  5. Step 5: Solve for x
    x = 15,124,391.11/4,851.44
  6. Step 6: Final answer
    x = 3,117.51

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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.