Home / 4,719.47-7,078.15-2,863.92

Finding the Fourth Proportional to 4,719.47, 7,078.15 and 2,863.92

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Solution

The fourth proportional to 4,719.47, 7,078.15 and 2,863.92 is: 4,295.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719.47 : 7,078.15 = 2,863.92 : x
  2. Step 2: Convert to fraction form
    4,719.47/7,078.15 = 2,863.92/x
  3. Step 3: Cross multiply
    4,719.47x = 7,078.15 × 2,863.92
  4. Step 4: Simplify right side
    4,719.47x = 20,271,285.47
  5. Step 5: Solve for x
    x = 20,271,285.47/4,719.47
  6. Step 6: Final answer
    x = 4,295.25

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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.