Home / 5,390.76-8,081.04-2,467.32

Finding the Fourth Proportional to 5,390.76, 8,081.04 and 2,467.32

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Solution

The fourth proportional to 5,390.76, 8,081.04 and 2,467.32 is: 3,698.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390.76 : 8,081.04 = 2,467.32 : x
  2. Step 2: Convert to fraction form
    5,390.76/8,081.04 = 2,467.32/x
  3. Step 3: Cross multiply
    5,390.76x = 8,081.04 × 2,467.32
  4. Step 4: Simplify right side
    5,390.76x = 19,938,511.61
  5. Step 5: Solve for x
    x = 19,938,511.61/5,390.76
  6. Step 6: Final answer
    x = 3,698.65

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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.