Home / 5,269.77-7,273.80-3,478.56

Finding the Fourth Proportional to 5,269.77, 7,273.80 and 3,478.56

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Solution

The fourth proportional to 5,269.77, 7,273.80 and 3,478.56 is: 4,801.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.77 : 7,273.80 = 3,478.56 : x
  2. Step 2: Convert to fraction form
    5,269.77/7,273.80 = 3,478.56/x
  3. Step 3: Cross multiply
    5,269.77x = 7,273.80 × 3,478.56
  4. Step 4: Simplify right side
    5,269.77x = 25,302,331.54
  5. Step 5: Solve for x
    x = 25,302,331.54/5,269.77
  6. Step 6: Final answer
    x = 4,801.41

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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.