Home / 4,272.05-6,411.32-2,882.09

Finding the Fourth Proportional to 4,272.05, 6,411.32 and 2,882.09

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Solution

The fourth proportional to 4,272.05, 6,411.32 and 2,882.09 is: 4,325.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.05 : 6,411.32 = 2,882.09 : x
  2. Step 2: Convert to fraction form
    4,272.05/6,411.32 = 2,882.09/x
  3. Step 3: Cross multiply
    4,272.05x = 6,411.32 × 2,882.09
  4. Step 4: Simplify right side
    4,272.05x = 18,478,001.26
  5. Step 5: Solve for x
    x = 18,478,001.26/4,272.05
  6. Step 6: Final answer
    x = 4,325.32

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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.