Home / 4,011.30-5,531.97-2,837.61

Finding the Fourth Proportional to 4,011.30, 5,531.97 and 2,837.61

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Solution

The fourth proportional to 4,011.30, 5,531.97 and 2,837.61 is: 3,913.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,011.30 : 5,531.97 = 2,837.61 : x
  2. Step 2: Convert to fraction form
    4,011.30/5,531.97 = 2,837.61/x
  3. Step 3: Cross multiply
    4,011.30x = 5,531.97 × 2,837.61
  4. Step 4: Simplify right side
    4,011.30x = 15,697,573.39
  5. Step 5: Solve for x
    x = 15,697,573.39/4,011.30
  6. Step 6: Final answer
    x = 3,913.34

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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.