Home / 5,579.31-7,699.18-3,061.36

Finding the Fourth Proportional to 5,579.31, 7,699.18 and 3,061.36

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Solution

The fourth proportional to 5,579.31, 7,699.18 and 3,061.36 is: 4,224.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.31 : 7,699.18 = 3,061.36 : x
  2. Step 2: Convert to fraction form
    5,579.31/7,699.18 = 3,061.36/x
  3. Step 3: Cross multiply
    5,579.31x = 7,699.18 × 3,061.36
  4. Step 4: Simplify right side
    5,579.31x = 23,569,961.68
  5. Step 5: Solve for x
    x = 23,569,961.68/5,579.31
  6. Step 6: Final answer
    x = 4,224.53

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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.