Home / 7,143.08-10,717.72-2,763.64

Finding the Fourth Proportional to 7,143.08, 10,717.72 and 2,763.64

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Solution

The fourth proportional to 7,143.08, 10,717.72 and 2,763.64 is: 4,146.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,143.08 : 10,717.72 = 2,763.64 : x
  2. Step 2: Convert to fraction form
    7,143.08/10,717.72 = 2,763.64/x
  3. Step 3: Cross multiply
    7,143.08x = 10,717.72 × 2,763.64
  4. Step 4: Simplify right side
    7,143.08x = 29,619,919.70
  5. Step 5: Solve for x
    x = 29,619,919.70/7,143.08
  6. Step 6: Final answer
    x = 4,146.66

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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.