Home / 5,071.91-6,999.15-2,833.80

Finding the Fourth Proportional to 5,071.91, 6,999.15 and 2,833.80

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Solution

The fourth proportional to 5,071.91, 6,999.15 and 2,833.80 is: 3,910.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071.91 : 6,999.15 = 2,833.80 : x
  2. Step 2: Convert to fraction form
    5,071.91/6,999.15 = 2,833.80/x
  3. Step 3: Cross multiply
    5,071.91x = 6,999.15 × 2,833.80
  4. Step 4: Simplify right side
    5,071.91x = 19,834,191.27
  5. Step 5: Solve for x
    x = 19,834,191.27/5,071.91
  6. Step 6: Final answer
    x = 3,910.60

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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.