Home / 7,938.34-11,906.59-2,095.40

Finding the Fourth Proportional to 7,938.34, 11,906.59 and 2,095.40

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Solution

The fourth proportional to 7,938.34, 11,906.59 and 2,095.40 is: 3,142.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.34 : 11,906.59 = 2,095.40 : x
  2. Step 2: Convert to fraction form
    7,938.34/11,906.59 = 2,095.40/x
  3. Step 3: Cross multiply
    7,938.34x = 11,906.59 × 2,095.40
  4. Step 4: Simplify right side
    7,938.34x = 24,949,058.21
  5. Step 5: Solve for x
    x = 24,949,058.21/7,938.34
  6. Step 6: Final answer
    x = 3,142.86

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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.