Home / 6,807.41-10,154.56-6,694.64

Finding the Fourth Proportional to 6,807.41, 10,154.56 and 6,694.64

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Solution

The fourth proportional to 6,807.41, 10,154.56 and 6,694.64 is: 9,986.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,807.41 : 10,154.56 = 6,694.64 : x
  2. Step 2: Convert to fraction form
    6,807.41/10,154.56 = 6,694.64/x
  3. Step 3: Cross multiply
    6,807.41x = 10,154.56 × 6,694.64
  4. Step 4: Simplify right side
    6,807.41x = 67,981,123.56
  5. Step 5: Solve for x
    x = 67,981,123.56/6,807.41
  6. Step 6: Final answer
    x = 9,986.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.