Home / 8,115.36-11,197.44-4,758.36

Finding the Fourth Proportional to 8,115.36, 11,197.44 and 4,758.36

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Solution

The fourth proportional to 8,115.36, 11,197.44 and 4,758.36 is: 6,565.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,115.36 : 11,197.44 = 4,758.36 : x
  2. Step 2: Convert to fraction form
    8,115.36/11,197.44 = 4,758.36/x
  3. Step 3: Cross multiply
    8,115.36x = 11,197.44 × 4,758.36
  4. Step 4: Simplify right side
    8,115.36x = 53,281,450.60
  5. Step 5: Solve for x
    x = 53,281,450.60/8,115.36
  6. Step 6: Final answer
    x = 6,565.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.