Home / 4,679.47-6,456.56-2,791.77

Finding the Fourth Proportional to 4,679.47, 6,456.56 and 2,791.77

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Solution

The fourth proportional to 4,679.47, 6,456.56 and 2,791.77 is: 3,851.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.47 : 6,456.56 = 2,791.77 : x
  2. Step 2: Convert to fraction form
    4,679.47/6,456.56 = 2,791.77/x
  3. Step 3: Cross multiply
    4,679.47x = 6,456.56 × 2,791.77
  4. Step 4: Simplify right side
    4,679.47x = 18,025,208.04
  5. Step 5: Solve for x
    x = 18,025,208.04/4,679.47
  6. Step 6: Final answer
    x = 3,851.98

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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.