Home / 8,785.93-13,178.92-3,236.87

Finding the Fourth Proportional to 8,785.93, 13,178.92 and 3,236.87

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Solution

The fourth proportional to 8,785.93, 13,178.92 and 3,236.87 is: 4,855.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.93 : 13,178.92 = 3,236.87 : x
  2. Step 2: Convert to fraction form
    8,785.93/13,178.92 = 3,236.87/x
  3. Step 3: Cross multiply
    8,785.93x = 13,178.92 × 3,236.87
  4. Step 4: Simplify right side
    8,785.93x = 42,658,450.78
  5. Step 5: Solve for x
    x = 42,658,450.78/8,785.93
  6. Step 6: Final answer
    x = 4,855.31

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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.