Home / 8,331.81-11,496.78-5,351.68

Finding the Fourth Proportional to 8,331.81, 11,496.78 and 5,351.68

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Solution

The fourth proportional to 8,331.81, 11,496.78 and 5,351.68 is: 7,384.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.81 : 11,496.78 = 5,351.68 : x
  2. Step 2: Convert to fraction form
    8,331.81/11,496.78 = 5,351.68/x
  3. Step 3: Cross multiply
    8,331.81x = 11,496.78 × 5,351.68
  4. Step 4: Simplify right side
    8,331.81x = 61,527,087.59
  5. Step 5: Solve for x
    x = 61,527,087.59/8,331.81
  6. Step 6: Final answer
    x = 7,384.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.