Home / 4,382.40-6,568.14-2,191.76

Finding the Fourth Proportional to 4,382.40, 6,568.14 and 2,191.76

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Solution

The fourth proportional to 4,382.40, 6,568.14 and 2,191.76 is: 3,284.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,382.40 : 6,568.14 = 2,191.76 : x
  2. Step 2: Convert to fraction form
    4,382.40/6,568.14 = 2,191.76/x
  3. Step 3: Cross multiply
    4,382.40x = 6,568.14 × 2,191.76
  4. Step 4: Simplify right side
    4,382.40x = 14,395,774.21
  5. Step 5: Solve for x
    x = 14,395,774.21/4,382.40
  6. Step 6: Final answer
    x = 3,284.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.