Home / 8,277.75-12,408.42-3,887.35

Finding the Fourth Proportional to 8,277.75, 12,408.42 and 3,887.35

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Solution

The fourth proportional to 8,277.75, 12,408.42 and 3,887.35 is: 5,827.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,277.75 : 12,408.42 = 3,887.35 : x
  2. Step 2: Convert to fraction form
    8,277.75/12,408.42 = 3,887.35/x
  3. Step 3: Cross multiply
    8,277.75x = 12,408.42 × 3,887.35
  4. Step 4: Simplify right side
    8,277.75x = 48,235,855.04
  5. Step 5: Solve for x
    x = 48,235,855.04/8,277.75
  6. Step 6: Final answer
    x = 5,827.17

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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.