Home / 7,134.07-10,701.12-1,939.94

Finding the Fourth Proportional to 7,134.07, 10,701.12 and 1,939.94

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Solution

The fourth proportional to 7,134.07, 10,701.12 and 1,939.94 is: 2,909.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134.07 : 10,701.12 = 1,939.94 : x
  2. Step 2: Convert to fraction form
    7,134.07/10,701.12 = 1,939.94/x
  3. Step 3: Cross multiply
    7,134.07x = 10,701.12 × 1,939.94
  4. Step 4: Simplify right side
    7,134.07x = 20,759,530.73
  5. Step 5: Solve for x
    x = 20,759,530.73/7,134.07
  6. Step 6: Final answer
    x = 2,909.91

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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.