Home / 6,940.28-10,397.10-5,816.36

Finding the Fourth Proportional to 6,940.28, 10,397.10 and 5,816.36

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Solution

The fourth proportional to 6,940.28, 10,397.10 and 5,816.36 is: 8,713.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,940.28 : 10,397.10 = 5,816.36 : x
  2. Step 2: Convert to fraction form
    6,940.28/10,397.10 = 5,816.36/x
  3. Step 3: Cross multiply
    6,940.28x = 10,397.10 × 5,816.36
  4. Step 4: Simplify right side
    6,940.28x = 60,473,276.56
  5. Step 5: Solve for x
    x = 60,473,276.56/6,940.28
  6. Step 6: Final answer
    x = 8,713.38

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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.