Home / 7,292.43-10,942.70-2,910.13

Finding the Fourth Proportional to 7,292.43, 10,942.70 and 2,910.13

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Solution

The fourth proportional to 7,292.43, 10,942.70 and 2,910.13 is: 4,366.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,292.43 : 10,942.70 = 2,910.13 : x
  2. Step 2: Convert to fraction form
    7,292.43/10,942.70 = 2,910.13/x
  3. Step 3: Cross multiply
    7,292.43x = 10,942.70 × 2,910.13
  4. Step 4: Simplify right side
    7,292.43x = 31,844,637.64
  5. Step 5: Solve for x
    x = 31,844,637.64/7,292.43
  6. Step 6: Final answer
    x = 4,366.81

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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.