Home / 8,277.15-12,419.18-3,345.54

Finding the Fourth Proportional to 8,277.15, 12,419.18 and 3,345.54

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Solution

The fourth proportional to 8,277.15, 12,419.18 and 3,345.54 is: 5,019.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,277.15 : 12,419.18 = 3,345.54 : x
  2. Step 2: Convert to fraction form
    8,277.15/12,419.18 = 3,345.54/x
  3. Step 3: Cross multiply
    8,277.15x = 12,419.18 × 3,345.54
  4. Step 4: Simplify right side
    8,277.15x = 41,548,863.46
  5. Step 5: Solve for x
    x = 41,548,863.46/8,277.15
  6. Step 6: Final answer
    x = 5,019.71

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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.