Home / 4,274.72-5,890.36-3,153.88

Finding the Fourth Proportional to 4,274.72, 5,890.36 and 3,153.88

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Solution

The fourth proportional to 4,274.72, 5,890.36 and 3,153.88 is: 4,345.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,274.72 : 5,890.36 = 3,153.88 : x
  2. Step 2: Convert to fraction form
    4,274.72/5,890.36 = 3,153.88/x
  3. Step 3: Cross multiply
    4,274.72x = 5,890.36 × 3,153.88
  4. Step 4: Simplify right side
    4,274.72x = 18,577,488.60
  5. Step 5: Solve for x
    x = 18,577,488.60/4,274.72
  6. Step 6: Final answer
    x = 4,345.90

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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.