Home / 4,356.88-6,004.20-3,112.72

Finding the Fourth Proportional to 4,356.88, 6,004.20 and 3,112.72

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Solution

The fourth proportional to 4,356.88, 6,004.20 and 3,112.72 is: 4,289.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,356.88 : 6,004.20 = 3,112.72 : x
  2. Step 2: Convert to fraction form
    4,356.88/6,004.20 = 3,112.72/x
  3. Step 3: Cross multiply
    4,356.88x = 6,004.20 × 3,112.72
  4. Step 4: Simplify right side
    4,356.88x = 18,689,393.42
  5. Step 5: Solve for x
    x = 18,689,393.42/4,356.88
  6. Step 6: Final answer
    x = 4,289.63

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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.