Home / 6,763.55-10,131.35-3,981.65

Finding the Fourth Proportional to 6,763.55, 10,131.35 and 3,981.65

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Solution

The fourth proportional to 6,763.55, 10,131.35 and 3,981.65 is: 5,964.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,763.55 : 10,131.35 = 3,981.65 : x
  2. Step 2: Convert to fraction form
    6,763.55/10,131.35 = 3,981.65/x
  3. Step 3: Cross multiply
    6,763.55x = 10,131.35 × 3,981.65
  4. Step 4: Simplify right side
    6,763.55x = 40,339,419.16
  5. Step 5: Solve for x
    x = 40,339,419.16/6,763.55
  6. Step 6: Final answer
    x = 5,964.24

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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.