Home / 4,292.40-5,927.46-2,721

Finding the Fourth Proportional to 4,292.40, 5,927.46 and 2,721

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Solution

The fourth proportional to 4,292.40, 5,927.46 and 2,721 is: 3,757.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,292.40 : 5,927.46 = 2,721 : x
  2. Step 2: Convert to fraction form
    4,292.40/5,927.46 = 2,721/x
  3. Step 3: Cross multiply
    4,292.40x = 5,927.46 × 2,721
  4. Step 4: Simplify right side
    4,292.40x = 16,128,618.66
  5. Step 5: Solve for x
    x = 16,128,618.66/4,292.40
  6. Step 6: Final answer
    x = 3,757.48

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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.