Home / 5,238.20-7,847.58-3,503.72

Finding the Fourth Proportional to 5,238.20, 7,847.58 and 3,503.72

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Solution

The fourth proportional to 5,238.20, 7,847.58 and 3,503.72 is: 5,249.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238.20 : 7,847.58 = 3,503.72 : x
  2. Step 2: Convert to fraction form
    5,238.20/7,847.58 = 3,503.72/x
  3. Step 3: Cross multiply
    5,238.20x = 7,847.58 × 3,503.72
  4. Step 4: Simplify right side
    5,238.20x = 27,495,723.00
  5. Step 5: Solve for x
    x = 27,495,723.00/5,238.20
  6. Step 6: Final answer
    x = 5,249.08

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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.