Home / 7,537.38-10,400.91-4,180.19

Finding the Fourth Proportional to 7,537.38, 10,400.91 and 4,180.19

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Solution

The fourth proportional to 7,537.38, 10,400.91 and 4,180.19 is: 5,768.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,537.38 : 10,400.91 = 4,180.19 : x
  2. Step 2: Convert to fraction form
    7,537.38/10,400.91 = 4,180.19/x
  3. Step 3: Cross multiply
    7,537.38x = 10,400.91 × 4,180.19
  4. Step 4: Simplify right side
    7,537.38x = 43,477,766.97
  5. Step 5: Solve for x
    x = 43,477,766.97/7,537.38
  6. Step 6: Final answer
    x = 5,768.28

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Half scale
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Double scale
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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.