Home / 5,424.10-8,113.87-4,330.60

Finding the Fourth Proportional to 5,424.10, 8,113.87 and 4,330.60

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Solution

The fourth proportional to 5,424.10, 8,113.87 and 4,330.60 is: 6,478.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.10 : 8,113.87 = 4,330.60 : x
  2. Step 2: Convert to fraction form
    5,424.10/8,113.87 = 4,330.60/x
  3. Step 3: Cross multiply
    5,424.10x = 8,113.87 × 4,330.60
  4. Step 4: Simplify right side
    5,424.10x = 35,137,910.55
  5. Step 5: Solve for x
    x = 35,137,910.55/5,424.10
  6. Step 6: Final answer
    x = 6,478.11

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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.