Home / 5,719.46-8,578.32-1,559.81

Finding the Fourth Proportional to 5,719.46, 8,578.32 and 1,559.81

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Solution

The fourth proportional to 5,719.46, 8,578.32 and 1,559.81 is: 2,339.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.46 : 8,578.32 = 1,559.81 : x
  2. Step 2: Convert to fraction form
    5,719.46/8,578.32 = 1,559.81/x
  3. Step 3: Cross multiply
    5,719.46x = 8,578.32 × 1,559.81
  4. Step 4: Simplify right side
    5,719.46x = 13,380,570.77
  5. Step 5: Solve for x
    x = 13,380,570.77/5,719.46
  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.