Home / 5,452.28-8,178.64-1,503.86

Finding the Fourth Proportional to 5,452.28, 8,178.64 and 1,503.86

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Solution

The fourth proportional to 5,452.28, 8,178.64 and 1,503.86 is: 2,255.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,452.28 : 8,178.64 = 1,503.86 : x
  2. Step 2: Convert to fraction form
    5,452.28/8,178.64 = 1,503.86/x
  3. Step 3: Cross multiply
    5,452.28x = 8,178.64 × 1,503.86
  4. Step 4: Simplify right side
    5,452.28x = 12,299,529.55
  5. Step 5: Solve for x
    x = 12,299,529.55/5,452.28
  6. Step 6: Final answer
    x = 2,255.85

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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.