Home / 5,639.19-8,453.93-2,719.55

Finding the Fourth Proportional to 5,639.19, 8,453.93 and 2,719.55

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Solution

The fourth proportional to 5,639.19, 8,453.93 and 2,719.55 is: 4,076.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639.19 : 8,453.93 = 2,719.55 : x
  2. Step 2: Convert to fraction form
    5,639.19/8,453.93 = 2,719.55/x
  3. Step 3: Cross multiply
    5,639.19x = 8,453.93 × 2,719.55
  4. Step 4: Simplify right side
    5,639.19x = 22,990,829.46
  5. Step 5: Solve for x
    x = 22,990,829.46/5,639.19
  6. Step 6: Final answer
    x = 4,076.97

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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.