Home / 5,719.53-8,579.81-1,559.56

Finding the Fourth Proportional to 5,719.53, 8,579.81 and 1,559.56

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Solution

The fourth proportional to 5,719.53, 8,579.81 and 1,559.56 is: 2,339.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.53 : 8,579.81 = 1,559.56 : x
  2. Step 2: Convert to fraction form
    5,719.53/8,579.81 = 1,559.56/x
  3. Step 3: Cross multiply
    5,719.53x = 8,579.81 × 1,559.56
  4. Step 4: Simplify right side
    5,719.53x = 13,380,728.48
  5. Step 5: Solve for x
    x = 13,380,728.48/5,719.53
  6. Step 6: Final answer
    x = 2,339.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.