Home / 5,442.18-7,511.28-3,205.98

Finding the Fourth Proportional to 5,442.18, 7,511.28 and 3,205.98

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Solution

The fourth proportional to 5,442.18, 7,511.28 and 3,205.98 is: 4,424.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,442.18 : 7,511.28 = 3,205.98 : x
  2. Step 2: Convert to fraction form
    5,442.18/7,511.28 = 3,205.98/x
  3. Step 3: Cross multiply
    5,442.18x = 7,511.28 × 3,205.98
  4. Step 4: Simplify right side
    5,442.18x = 24,081,013.45
  5. Step 5: Solve for x
    x = 24,081,013.45/5,442.18
  6. Step 6: Final answer
    x = 4,424.88

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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.