Home / 4,422.78-6,105.06-2,931.18

Finding the Fourth Proportional to 4,422.78, 6,105.06 and 2,931.18

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Solution

The fourth proportional to 4,422.78, 6,105.06 and 2,931.18 is: 4,046.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,422.78 : 6,105.06 = 2,931.18 : x
  2. Step 2: Convert to fraction form
    4,422.78/6,105.06 = 2,931.18/x
  3. Step 3: Cross multiply
    4,422.78x = 6,105.06 × 2,931.18
  4. Step 4: Simplify right side
    4,422.78x = 17,895,029.77
  5. Step 5: Solve for x
    x = 17,895,029.77/4,422.78
  6. Step 6: Final answer
    x = 4,046.10

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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.