Home / 5,557.57-7,669.58-3,039.78

Finding the Fourth Proportional to 5,557.57, 7,669.58 and 3,039.78

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Solution

The fourth proportional to 5,557.57, 7,669.58 and 3,039.78 is: 4,194.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557.57 : 7,669.58 = 3,039.78 : x
  2. Step 2: Convert to fraction form
    5,557.57/7,669.58 = 3,039.78/x
  3. Step 3: Cross multiply
    5,557.57x = 7,669.58 × 3,039.78
  4. Step 4: Simplify right side
    5,557.57x = 23,313,820.69
  5. Step 5: Solve for x
    x = 23,313,820.69/5,557.57
  6. Step 6: Final answer
    x = 4,194.97

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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.