Home / 4,378.32-6,568.69-2,431.89

Finding the Fourth Proportional to 4,378.32, 6,568.69 and 2,431.89

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Solution

The fourth proportional to 4,378.32, 6,568.69 and 2,431.89 is: 3,648.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.32 : 6,568.69 = 2,431.89 : x
  2. Step 2: Convert to fraction form
    4,378.32/6,568.69 = 2,431.89/x
  3. Step 3: Cross multiply
    4,378.32x = 6,568.69 × 2,431.89
  4. Step 4: Simplify right side
    4,378.32x = 15,974,331.52
  5. Step 5: Solve for x
    x = 15,974,331.52/4,378.32
  6. Step 6: Final answer
    x = 3,648.51

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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.