Home / 4,575.62-6,864.57-2,112.16

Finding the Fourth Proportional to 4,575.62, 6,864.57 and 2,112.16

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Solution

The fourth proportional to 4,575.62, 6,864.57 and 2,112.16 is: 3,168.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,575.62 : 6,864.57 = 2,112.16 : x
  2. Step 2: Convert to fraction form
    4,575.62/6,864.57 = 2,112.16/x
  3. Step 3: Cross multiply
    4,575.62x = 6,864.57 × 2,112.16
  4. Step 4: Simplify right side
    4,575.62x = 14,499,025.29
  5. Step 5: Solve for x
    x = 14,499,025.29/4,575.62
  6. Step 6: Final answer
    x = 3,168.76

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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.