Home / 7,134.32-10,701.51-1,940.19

Finding the Fourth Proportional to 7,134.32, 10,701.51 and 1,940.19

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Solution

The fourth proportional to 7,134.32, 10,701.51 and 1,940.19 is: 2,910.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134.32 : 10,701.51 = 1,940.19 : x
  2. Step 2: Convert to fraction form
    7,134.32/10,701.51 = 1,940.19/x
  3. Step 3: Cross multiply
    7,134.32x = 10,701.51 × 1,940.19
  4. Step 4: Simplify right side
    7,134.32x = 20,762,952.99
  5. Step 5: Solve for x
    x = 20,762,952.99/7,134.32
  6. Step 6: Final answer
    x = 2,910.29

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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.