Home / 8,141.84-11,232.41-5,308.22

Finding the Fourth Proportional to 8,141.84, 11,232.41 and 5,308.22

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Solution

The fourth proportional to 8,141.84, 11,232.41 and 5,308.22 is: 7,323.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,141.84 : 11,232.41 = 5,308.22 : x
  2. Step 2: Convert to fraction form
    8,141.84/11,232.41 = 5,308.22/x
  3. Step 3: Cross multiply
    8,141.84x = 11,232.41 × 5,308.22
  4. Step 4: Simplify right side
    8,141.84x = 59,624,020.71
  5. Step 5: Solve for x
    x = 59,624,020.71/8,141.84
  6. Step 6: Final answer
    x = 7,323.17

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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.