Home / 8,945.05-12,343.93-5,362.03

Finding the Fourth Proportional to 8,945.05, 12,343.93 and 5,362.03

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Solution

The fourth proportional to 8,945.05, 12,343.93 and 5,362.03 is: 7,399.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,945.05 : 12,343.93 = 5,362.03 : x
  2. Step 2: Convert to fraction form
    8,945.05/12,343.93 = 5,362.03/x
  3. Step 3: Cross multiply
    8,945.05x = 12,343.93 × 5,362.03
  4. Step 4: Simplify right side
    8,945.05x = 66,188,553.84
  5. Step 5: Solve for x
    x = 66,188,553.84/8,945.05
  6. Step 6: Final answer
    x = 7,399.46

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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.