Home / 4,071.61-6,107.40-1,879.14

Finding the Fourth Proportional to 4,071.61, 6,107.40 and 1,879.14

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Solution

The fourth proportional to 4,071.61, 6,107.40 and 1,879.14 is: 2,818.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.61 : 6,107.40 = 1,879.14 : x
  2. Step 2: Convert to fraction form
    4,071.61/6,107.40 = 1,879.14/x
  3. Step 3: Cross multiply
    4,071.61x = 6,107.40 × 1,879.14
  4. Step 4: Simplify right side
    4,071.61x = 11,476,659.64
  5. Step 5: Solve for x
    x = 11,476,659.64/4,071.61
  6. Step 6: Final answer
    x = 2,818.70

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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.