Home / 6,360.15-9,539.11-1,680.19

Finding the Fourth Proportional to 6,360.15, 9,539.11 and 1,680.19

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Solution

The fourth proportional to 6,360.15, 9,539.11 and 1,680.19 is: 2,519.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,360.15 : 9,539.11 = 1,680.19 : x
  2. Step 2: Convert to fraction form
    6,360.15/9,539.11 = 1,680.19/x
  3. Step 3: Cross multiply
    6,360.15x = 9,539.11 × 1,680.19
  4. Step 4: Simplify right side
    6,360.15x = 16,027,517.23
  5. Step 5: Solve for x
    x = 16,027,517.23/6,360.15
  6. Step 6: Final answer
    x = 2,519.99

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Half scale
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Double scale
Find fourth proportional to 6,361.15, 9,540.61 and 1,681.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.