Home / 8,400.82-12,604.66-5,930.32

Finding the Fourth Proportional to 8,400.82, 12,604.66 and 5,930.32

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Solution

The fourth proportional to 8,400.82, 12,604.66 and 5,930.32 is: 8,897.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,400.82 : 12,604.66 = 5,930.32 : x
  2. Step 2: Convert to fraction form
    8,400.82/12,604.66 = 5,930.32/x
  3. Step 3: Cross multiply
    8,400.82x = 12,604.66 × 5,930.32
  4. Step 4: Simplify right side
    8,400.82x = 74,749,667.29
  5. Step 5: Solve for x
    x = 74,749,667.29/8,400.82
  6. Step 6: Final answer
    x = 8,897.90

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1.5x scale

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.