Home / 6,601.35-9,109.86-3,617.19

Finding the Fourth Proportional to 6,601.35, 9,109.86 and 3,617.19

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Solution

The fourth proportional to 6,601.35, 9,109.86 and 3,617.19 is: 4,991.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,601.35 : 9,109.86 = 3,617.19 : x
  2. Step 2: Convert to fraction form
    6,601.35/9,109.86 = 3,617.19/x
  3. Step 3: Cross multiply
    6,601.35x = 9,109.86 × 3,617.19
  4. Step 4: Simplify right side
    6,601.35x = 32,952,094.49
  5. Step 5: Solve for x
    x = 32,952,094.49/6,601.35
  6. Step 6: Final answer
    x = 4,991.72

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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.