Home / 4,738.77-6,542.27-3,147.57

Finding the Fourth Proportional to 4,738.77, 6,542.27 and 3,147.57

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Solution

The fourth proportional to 4,738.77, 6,542.27 and 3,147.57 is: 4,345.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738.77 : 6,542.27 = 3,147.57 : x
  2. Step 2: Convert to fraction form
    4,738.77/6,542.27 = 3,147.57/x
  3. Step 3: Cross multiply
    4,738.77x = 6,542.27 × 3,147.57
  4. Step 4: Simplify right side
    4,738.77x = 20,592,237.05
  5. Step 5: Solve for x
    x = 20,592,237.05/4,738.77
  6. Step 6: Final answer
    x = 4,345.48

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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.