Home / 6,180.76-8,529.48-3,386.20

Finding the Fourth Proportional to 6,180.76, 8,529.48 and 3,386.20

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Solution

The fourth proportional to 6,180.76, 8,529.48 and 3,386.20 is: 4,672.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,180.76 : 8,529.48 = 3,386.20 : x
  2. Step 2: Convert to fraction form
    6,180.76/8,529.48 = 3,386.20/x
  3. Step 3: Cross multiply
    6,180.76x = 8,529.48 × 3,386.20
  4. Step 4: Simplify right side
    6,180.76x = 28,882,525.18
  5. Step 5: Solve for x
    x = 28,882,525.18/6,180.76
  6. Step 6: Final answer
    x = 4,672.97

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Half scale
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Double scale
Find fourth proportional to 6,181.76, 8,530.86 and 3,387.20
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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.