Home / 5,270.77-7,273.56-2,912.92

Finding the Fourth Proportional to 5,270.77, 7,273.56 and 2,912.92

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Solution

The fourth proportional to 5,270.77, 7,273.56 and 2,912.92 is: 4,019.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.77 : 7,273.56 = 2,912.92 : x
  2. Step 2: Convert to fraction form
    5,270.77/7,273.56 = 2,912.92/x
  3. Step 3: Cross multiply
    5,270.77x = 7,273.56 × 2,912.92
  4. Step 4: Simplify right side
    5,270.77x = 21,187,298.40
  5. Step 5: Solve for x
    x = 21,187,298.40/5,270.77
  6. Step 6: Final answer
    x = 4,019.77

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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.