Home / 5,730.10-7,907.12-3,211.86

Finding the Fourth Proportional to 5,730.10, 7,907.12 and 3,211.86

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Solution

The fourth proportional to 5,730.10, 7,907.12 and 3,211.86 is: 4,432.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,730.10 : 7,907.12 = 3,211.86 : x
  2. Step 2: Convert to fraction form
    5,730.10/7,907.12 = 3,211.86/x
  3. Step 3: Cross multiply
    5,730.10x = 7,907.12 × 3,211.86
  4. Step 4: Simplify right side
    5,730.10x = 25,396,562.44
  5. Step 5: Solve for x
    x = 25,396,562.44/5,730.10
  6. Step 6: Final answer
    x = 4,432.13

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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.