Home / 4,079.70-6,115.33-1,611.12

Finding the Fourth Proportional to 4,079.70, 6,115.33 and 1,611.12

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Solution

The fourth proportional to 4,079.70, 6,115.33 and 1,611.12 is: 2,415.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.70 : 6,115.33 = 1,611.12 : x
  2. Step 2: Convert to fraction form
    4,079.70/6,115.33 = 1,611.12/x
  3. Step 3: Cross multiply
    4,079.70x = 6,115.33 × 1,611.12
  4. Step 4: Simplify right side
    4,079.70x = 9,852,555.42
  5. Step 5: Solve for x
    x = 9,852,555.42/4,079.70
  6. Step 6: Final answer
    x = 2,415.02

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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.