Home / 7,338.80-10,997.40-6,237.20

Finding the Fourth Proportional to 7,338.80, 10,997.40 and 6,237.20

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Solution

The fourth proportional to 7,338.80, 10,997.40 and 6,237.20 is: 9,346.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338.80 : 10,997.40 = 6,237.20 : x
  2. Step 2: Convert to fraction form
    7,338.80/10,997.40 = 6,237.20/x
  3. Step 3: Cross multiply
    7,338.80x = 10,997.40 × 6,237.20
  4. Step 4: Simplify right side
    7,338.80x = 68,592,983.28
  5. Step 5: Solve for x
    x = 68,592,983.28/7,338.80
  6. Step 6: Final answer
    x = 9,346.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.