Home / 5,878.31-8,112.08-3,521.82

Finding the Fourth Proportional to 5,878.31, 8,112.08 and 3,521.82

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Solution

The fourth proportional to 5,878.31, 8,112.08 and 3,521.82 is: 4,860.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.31 : 8,112.08 = 3,521.82 : x
  2. Step 2: Convert to fraction form
    5,878.31/8,112.08 = 3,521.82/x
  3. Step 3: Cross multiply
    5,878.31x = 8,112.08 × 3,521.82
  4. Step 4: Simplify right side
    5,878.31x = 28,569,267.98
  5. Step 5: Solve for x
    x = 28,569,267.98/5,878.31
  6. Step 6: Final answer
    x = 4,860.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.