Home / 5,249.80-7,876.06-1,551.88

Finding the Fourth Proportional to 5,249.80, 7,876.06 and 1,551.88

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Solution

The fourth proportional to 5,249.80, 7,876.06 and 1,551.88 is: 2,328.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,249.80 : 7,876.06 = 1,551.88 : x
  2. Step 2: Convert to fraction form
    5,249.80/7,876.06 = 1,551.88/x
  3. Step 3: Cross multiply
    5,249.80x = 7,876.06 × 1,551.88
  4. Step 4: Simplify right side
    5,249.80x = 12,222,699.99
  5. Step 5: Solve for x
    x = 12,222,699.99/5,249.80
  6. Step 6: Final answer
    x = 2,328.22

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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.