Home / 4,281.08-6,418.52-2,891

Finding the Fourth Proportional to 4,281.08, 6,418.52 and 2,891

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Solution

The fourth proportional to 4,281.08, 6,418.52 and 2,891 is: 4,334.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.08 : 6,418.52 = 2,891 : x
  2. Step 2: Convert to fraction form
    4,281.08/6,418.52 = 2,891/x
  3. Step 3: Cross multiply
    4,281.08x = 6,418.52 × 2,891
  4. Step 4: Simplify right side
    4,281.08x = 18,555,941.32
  5. Step 5: Solve for x
    x = 18,555,941.32/4,281.08
  6. Step 6: Final answer
    x = 4,334.41

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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.