Home / 6,149.14-8,484.52-3,910.20

Finding the Fourth Proportional to 6,149.14, 8,484.52 and 3,910.20

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Solution

The fourth proportional to 6,149.14, 8,484.52 and 3,910.20 is: 5,395.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,149.14 : 8,484.52 = 3,910.20 : x
  2. Step 2: Convert to fraction form
    6,149.14/8,484.52 = 3,910.20/x
  3. Step 3: Cross multiply
    6,149.14x = 8,484.52 × 3,910.20
  4. Step 4: Simplify right side
    6,149.14x = 33,176,170.10
  5. Step 5: Solve for x
    x = 33,176,170.10/6,149.14
  6. Step 6: Final answer
    x = 5,395.25

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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.