Home / 5,468.40-8,199.60-2,688.96

Finding the Fourth Proportional to 5,468.40, 8,199.60 and 2,688.96

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Solution

The fourth proportional to 5,468.40, 8,199.60 and 2,688.96 is: 4,031.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,468.40 : 8,199.60 = 2,688.96 : x
  2. Step 2: Convert to fraction form
    5,468.40/8,199.60 = 2,688.96/x
  3. Step 3: Cross multiply
    5,468.40x = 8,199.60 × 2,688.96
  4. Step 4: Simplify right side
    5,468.40x = 22,048,396.42
  5. Step 5: Solve for x
    x = 22,048,396.42/5,468.40
  6. Step 6: Final answer
    x = 4,031.96

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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.