Home / 8,930.43-12,325.41-5,394.15

Finding the Fourth Proportional to 8,930.43, 12,325.41 and 5,394.15

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Solution

The fourth proportional to 8,930.43, 12,325.41 and 5,394.15 is: 7,444.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930.43 : 12,325.41 = 5,394.15 : x
  2. Step 2: Convert to fraction form
    8,930.43/12,325.41 = 5,394.15/x
  3. Step 3: Cross multiply
    8,930.43x = 12,325.41 × 5,394.15
  4. Step 4: Simplify right side
    8,930.43x = 66,485,110.35
  5. Step 5: Solve for x
    x = 66,485,110.35/8,930.43
  6. Step 6: Final answer
    x = 7,444.78

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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.