Home / 7,640.39-11,408.85-6,062.68

Finding the Fourth Proportional to 7,640.39, 11,408.85 and 6,062.68

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Solution

The fourth proportional to 7,640.39, 11,408.85 and 6,062.68 is: 9,052.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,640.39 : 11,408.85 = 6,062.68 : x
  2. Step 2: Convert to fraction form
    7,640.39/11,408.85 = 6,062.68/x
  3. Step 3: Cross multiply
    7,640.39x = 11,408.85 × 6,062.68
  4. Step 4: Simplify right side
    7,640.39x = 69,168,193.35
  5. Step 5: Solve for x
    x = 69,168,193.35/7,640.39
  6. Step 6: Final answer
    x = 9,052.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.