Home / 7,091.91-10,639.01-2,094.79

Finding the Fourth Proportional to 7,091.91, 10,639.01 and 2,094.79

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Solution

The fourth proportional to 7,091.91, 10,639.01 and 2,094.79 is: 3,142.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091.91 : 10,639.01 = 2,094.79 : x
  2. Step 2: Convert to fraction form
    7,091.91/10,639.01 = 2,094.79/x
  3. Step 3: Cross multiply
    7,091.91x = 10,639.01 × 2,094.79
  4. Step 4: Simplify right side
    7,091.91x = 22,286,443.80
  5. Step 5: Solve for x
    x = 22,286,443.80/7,091.91
  6. Step 6: Final answer
    x = 3,142.52

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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.