Home / 8,785.19-13,177.85-2,942.25

Finding the Fourth Proportional to 8,785.19, 13,177.85 and 2,942.25

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Solution

The fourth proportional to 8,785.19, 13,177.85 and 2,942.25 is: 4,413.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.19 : 13,177.85 = 2,942.25 : x
  2. Step 2: Convert to fraction form
    8,785.19/13,177.85 = 2,942.25/x
  3. Step 3: Cross multiply
    8,785.19x = 13,177.85 × 2,942.25
  4. Step 4: Simplify right side
    8,785.19x = 38,772,514.45
  5. Step 5: Solve for x
    x = 38,772,514.45/8,785.19
  6. Step 6: Final answer
    x = 4,413.40

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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.