Home / 8,215.70-11,334.45-5,066.42

Finding the Fourth Proportional to 8,215.70, 11,334.45 and 5,066.42

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Solution

The fourth proportional to 8,215.70, 11,334.45 and 5,066.42 is: 6,989.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215.70 : 11,334.45 = 5,066.42 : x
  2. Step 2: Convert to fraction form
    8,215.70/11,334.45 = 5,066.42/x
  3. Step 3: Cross multiply
    8,215.70x = 11,334.45 × 5,066.42
  4. Step 4: Simplify right side
    8,215.70x = 57,425,084.17
  5. Step 5: Solve for x
    x = 57,425,084.17/8,215.70
  6. Step 6: Final answer
    x = 6,989.68

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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.