Home / 8,936.05-12,346.58-7,062

Finding the Fourth Proportional to 8,936.05, 12,346.58 and 7,062

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Solution

The fourth proportional to 8,936.05, 12,346.58 and 7,062 is: 9,757.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.05 : 12,346.58 = 7,062 : x
  2. Step 2: Convert to fraction form
    8,936.05/12,346.58 = 7,062/x
  3. Step 3: Cross multiply
    8,936.05x = 12,346.58 × 7,062
  4. Step 4: Simplify right side
    8,936.05x = 87,191,512.65
  5. Step 5: Solve for x
    x = 87,191,512.65/8,936.05
  6. Step 6: Final answer
    x = 9,757.28

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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.