Home / 6,669.05-10,001.46-2,772.50

Finding the Fourth Proportional to 6,669.05, 10,001.46 and 2,772.50

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Solution

The fourth proportional to 6,669.05, 10,001.46 and 2,772.50 is: 4,157.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,669.05 : 10,001.46 = 2,772.50 : x
  2. Step 2: Convert to fraction form
    6,669.05/10,001.46 = 2,772.50/x
  3. Step 3: Cross multiply
    6,669.05x = 10,001.46 × 2,772.50
  4. Step 4: Simplify right side
    6,669.05x = 27,729,047.85
  5. Step 5: Solve for x
    x = 27,729,047.85/6,669.05
  6. Step 6: Final answer
    x = 4,157.87

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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.