Home / 8,282.39-12,392.07-5,603.30

Finding the Fourth Proportional to 8,282.39, 12,392.07 and 5,603.30

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Solution

The fourth proportional to 8,282.39, 12,392.07 and 5,603.30 is: 8,383.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,282.39 : 12,392.07 = 5,603.30 : x
  2. Step 2: Convert to fraction form
    8,282.39/12,392.07 = 5,603.30/x
  3. Step 3: Cross multiply
    8,282.39x = 12,392.07 × 5,603.30
  4. Step 4: Simplify right side
    8,282.39x = 69,436,537.82
  5. Step 5: Solve for x
    x = 69,436,537.82/8,282.39
  6. Step 6: Final answer
    x = 8,383.63

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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.