Home / 5,022.77-6,928.61-3,428.91

Finding the Fourth Proportional to 5,022.77, 6,928.61 and 3,428.91

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Solution

The fourth proportional to 5,022.77, 6,928.61 and 3,428.91 is: 4,729.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,022.77 : 6,928.61 = 3,428.91 : x
  2. Step 2: Convert to fraction form
    5,022.77/6,928.61 = 3,428.91/x
  3. Step 3: Cross multiply
    5,022.77x = 6,928.61 × 3,428.91
  4. Step 4: Simplify right side
    5,022.77x = 23,757,562.97
  5. Step 5: Solve for x
    x = 23,757,562.97/5,022.77
  6. Step 6: Final answer
    x = 4,729.98

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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.