Home / 5,406.72-8,113.28-2,286.55

Finding the Fourth Proportional to 5,406.72, 8,113.28 and 2,286.55

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Solution

The fourth proportional to 5,406.72, 8,113.28 and 2,286.55 is: 3,431.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.72 : 8,113.28 = 2,286.55 : x
  2. Step 2: Convert to fraction form
    5,406.72/8,113.28 = 2,286.55/x
  3. Step 3: Cross multiply
    5,406.72x = 8,113.28 × 2,286.55
  4. Step 4: Simplify right side
    5,406.72x = 18,551,420.38
  5. Step 5: Solve for x
    x = 18,551,420.38/5,406.72
  6. Step 6: Final answer
    x = 3,431.18

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1.5x scale

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.