Home / 4,217.91-6,322.63-1,442.69

Finding the Fourth Proportional to 4,217.91, 6,322.63 and 1,442.69

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Solution

The fourth proportional to 4,217.91, 6,322.63 and 1,442.69 is: 2,162.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,217.91 : 6,322.63 = 1,442.69 : x
  2. Step 2: Convert to fraction form
    4,217.91/6,322.63 = 1,442.69/x
  3. Step 3: Cross multiply
    4,217.91x = 6,322.63 × 1,442.69
  4. Step 4: Simplify right side
    4,217.91x = 9,121,573.17
  5. Step 5: Solve for x
    x = 9,121,573.17/4,217.91
  6. Step 6: Final answer
    x = 2,162.58

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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.