Home / 4,147.83-5,721.24-3,150.84

Finding the Fourth Proportional to 4,147.83, 5,721.24 and 3,150.84

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Solution

The fourth proportional to 4,147.83, 5,721.24 and 3,150.84 is: 4,346.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.83 : 5,721.24 = 3,150.84 : x
  2. Step 2: Convert to fraction form
    4,147.83/5,721.24 = 3,150.84/x
  3. Step 3: Cross multiply
    4,147.83x = 5,721.24 × 3,150.84
  4. Step 4: Simplify right side
    4,147.83x = 18,026,711.84
  5. Step 5: Solve for x
    x = 18,026,711.84/4,147.83
  6. Step 6: Final answer
    x = 4,346.06

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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.