Home / 5,587.78-8,381.75-2,424.50

Finding the Fourth Proportional to 5,587.78, 8,381.75 and 2,424.50

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Solution

The fourth proportional to 5,587.78, 8,381.75 and 2,424.50 is: 3,636.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.78 : 8,381.75 = 2,424.50 : x
  2. Step 2: Convert to fraction form
    5,587.78/8,381.75 = 2,424.50/x
  3. Step 3: Cross multiply
    5,587.78x = 8,381.75 × 2,424.50
  4. Step 4: Simplify right side
    5,587.78x = 20,321,552.88
  5. Step 5: Solve for x
    x = 20,321,552.88/5,587.78
  6. Step 6: Final answer
    x = 3,636.78

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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.