Home / 5,579.28-7,699.49-3,061.35

Finding the Fourth Proportional to 5,579.28, 7,699.49 and 3,061.35

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Solution

The fourth proportional to 5,579.28, 7,699.49 and 3,061.35 is: 4,224.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.28 : 7,699.49 = 3,061.35 : x
  2. Step 2: Convert to fraction form
    5,579.28/7,699.49 = 3,061.35/x
  3. Step 3: Cross multiply
    5,579.28x = 7,699.49 × 3,061.35
  4. Step 4: Simplify right side
    5,579.28x = 23,570,829.88
  5. Step 5: Solve for x
    x = 23,570,829.88/5,579.28
  6. Step 6: Final answer
    x = 4,224.71

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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.