Home / 6,665.12-9,997.71-2,769.53

Finding the Fourth Proportional to 6,665.12, 9,997.71 and 2,769.53

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Solution

The fourth proportional to 6,665.12, 9,997.71 and 2,769.53 is: 4,154.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665.12 : 9,997.71 = 2,769.53 : x
  2. Step 2: Convert to fraction form
    6,665.12/9,997.71 = 2,769.53/x
  3. Step 3: Cross multiply
    6,665.12x = 9,997.71 × 2,769.53
  4. Step 4: Simplify right side
    6,665.12x = 27,688,957.78
  5. Step 5: Solve for x
    x = 27,688,957.78/6,665.12
  6. Step 6: Final answer
    x = 4,154.31

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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.