Home / 8,268.75-12,403.87-2,345.69

Finding the Fourth Proportional to 8,268.75, 12,403.87 and 2,345.69

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Solution

The fourth proportional to 8,268.75, 12,403.87 and 2,345.69 is: 3,518.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.75 : 12,403.87 = 2,345.69 : x
  2. Step 2: Convert to fraction form
    8,268.75/12,403.87 = 2,345.69/x
  3. Step 3: Cross multiply
    8,268.75x = 12,403.87 × 2,345.69
  4. Step 4: Simplify right side
    8,268.75x = 29,095,658.97
  5. Step 5: Solve for x
    x = 29,095,658.97/8,268.75
  6. Step 6: Final answer
    x = 3,518.75

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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.