Home / 6,671.28-9,206.08-3,686.96

Finding the Fourth Proportional to 6,671.28, 9,206.08 and 3,686.96

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Solution

The fourth proportional to 6,671.28, 9,206.08 and 3,686.96 is: 5,087.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,671.28 : 9,206.08 = 3,686.96 : x
  2. Step 2: Convert to fraction form
    6,671.28/9,206.08 = 3,686.96/x
  3. Step 3: Cross multiply
    6,671.28x = 9,206.08 × 3,686.96
  4. Step 4: Simplify right side
    6,671.28x = 33,942,448.72
  5. Step 5: Solve for x
    x = 33,942,448.72/6,671.28
  6. Step 6: Final answer
    x = 5,087.85

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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.