Home / 5,116.82-7,669.47-2,521.58

Finding the Fourth Proportional to 5,116.82, 7,669.47 and 2,521.58

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Solution

The fourth proportional to 5,116.82, 7,669.47 and 2,521.58 is: 3,779.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.82 : 7,669.47 = 2,521.58 : x
  2. Step 2: Convert to fraction form
    5,116.82/7,669.47 = 2,521.58/x
  3. Step 3: Cross multiply
    5,116.82x = 7,669.47 × 2,521.58
  4. Step 4: Simplify right side
    5,116.82x = 19,339,182.16
  5. Step 5: Solve for x
    x = 19,339,182.16/5,116.82
  6. Step 6: Final answer
    x = 3,779.53

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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.