Home / 5,124.73-7,072.16-2,886.64

Finding the Fourth Proportional to 5,124.73, 7,072.16 and 2,886.64

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Solution

The fourth proportional to 5,124.73, 7,072.16 and 2,886.64 is: 3,983.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.73 : 7,072.16 = 2,886.64 : x
  2. Step 2: Convert to fraction form
    5,124.73/7,072.16 = 2,886.64/x
  3. Step 3: Cross multiply
    5,124.73x = 7,072.16 × 2,886.64
  4. Step 4: Simplify right side
    5,124.73x = 20,414,730.15
  5. Step 5: Solve for x
    x = 20,414,730.15/5,124.73
  6. Step 6: Final answer
    x = 3,983.57

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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.