Home / 4,177.77-5,767.56-2,666.85

Finding the Fourth Proportional to 4,177.77, 5,767.56 and 2,666.85

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Solution

The fourth proportional to 4,177.77, 5,767.56 and 2,666.85 is: 3,681.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,177.77 : 5,767.56 = 2,666.85 : x
  2. Step 2: Convert to fraction form
    4,177.77/5,767.56 = 2,666.85/x
  3. Step 3: Cross multiply
    4,177.77x = 5,767.56 × 2,666.85
  4. Step 4: Simplify right side
    4,177.77x = 15,381,217.39
  5. Step 5: Solve for x
    x = 15,381,217.39/4,177.77
  6. Step 6: Final answer
    x = 3,681.68

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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.