Home / 4,147.89-5,716.22-2,966.91

Finding the Fourth Proportional to 4,147.89, 5,716.22 and 2,966.91

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Solution

The fourth proportional to 4,147.89, 5,716.22 and 2,966.91 is: 4,088.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.89 : 5,716.22 = 2,966.91 : x
  2. Step 2: Convert to fraction form
    4,147.89/5,716.22 = 2,966.91/x
  3. Step 3: Cross multiply
    4,147.89x = 5,716.22 × 2,966.91
  4. Step 4: Simplify right side
    4,147.89x = 16,959,495.45
  5. Step 5: Solve for x
    x = 16,959,495.45/4,147.89
  6. Step 6: Final answer
    x = 4,088.70

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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.