Home / 7,134.19-10,701.26-1,940.05

Finding the Fourth Proportional to 7,134.19, 10,701.26 and 1,940.05

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Solution

The fourth proportional to 7,134.19, 10,701.26 and 1,940.05 is: 2,910.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134.19 : 10,701.26 = 1,940.05 : x
  2. Step 2: Convert to fraction form
    7,134.19/10,701.26 = 1,940.05/x
  3. Step 3: Cross multiply
    7,134.19x = 10,701.26 × 1,940.05
  4. Step 4: Simplify right side
    7,134.19x = 20,760,969.76
  5. Step 5: Solve for x
    x = 20,760,969.76/7,134.19
  6. Step 6: Final answer
    x = 2,910.07

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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.