Home / 7,768.11-11,642.91-4,474.38

Finding the Fourth Proportional to 7,768.11, 11,642.91 and 4,474.38

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Solution

The fourth proportional to 7,768.11, 11,642.91 and 4,474.38 is: 6,706.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,768.11 : 11,642.91 = 4,474.38 : x
  2. Step 2: Convert to fraction form
    7,768.11/11,642.91 = 4,474.38/x
  3. Step 3: Cross multiply
    7,768.11x = 11,642.91 × 4,474.38
  4. Step 4: Simplify right side
    7,768.11x = 52,094,803.65
  5. Step 5: Solve for x
    x = 52,094,803.65/7,768.11
  6. Step 6: Final answer
    x = 6,706.24

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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.