Home / 7,758.12-11,632.32-5,122.83

Finding the Fourth Proportional to 7,758.12, 11,632.32 and 5,122.83

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Solution

The fourth proportional to 7,758.12, 11,632.32 and 5,122.83 is: 7,681.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,758.12 : 11,632.32 = 5,122.83 : x
  2. Step 2: Convert to fraction form
    7,758.12/11,632.32 = 5,122.83/x
  3. Step 3: Cross multiply
    7,758.12x = 11,632.32 × 5,122.83
  4. Step 4: Simplify right side
    7,758.12x = 59,590,397.87
  5. Step 5: Solve for x
    x = 59,590,397.87/7,758.12
  6. Step 6: Final answer
    x = 7,681.04

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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.