Home / 5,046.40-6,963.76-2,921.56

Finding the Fourth Proportional to 5,046.40, 6,963.76 and 2,921.56

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Solution

The fourth proportional to 5,046.40, 6,963.76 and 2,921.56 is: 4,031.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,046.40 : 6,963.76 = 2,921.56 : x
  2. Step 2: Convert to fraction form
    5,046.40/6,963.76 = 2,921.56/x
  3. Step 3: Cross multiply
    5,046.40x = 6,963.76 × 2,921.56
  4. Step 4: Simplify right side
    5,046.40x = 20,345,042.67
  5. Step 5: Solve for x
    x = 20,345,042.67/5,046.40
  6. Step 6: Final answer
    x = 4,031.60

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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.