Home / 4,985.22-6,879.63-2,747.04

Finding the Fourth Proportional to 4,985.22, 6,879.63 and 2,747.04

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Solution

The fourth proportional to 4,985.22, 6,879.63 and 2,747.04 is: 3,790.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.22 : 6,879.63 = 2,747.04 : x
  2. Step 2: Convert to fraction form
    4,985.22/6,879.63 = 2,747.04/x
  3. Step 3: Cross multiply
    4,985.22x = 6,879.63 × 2,747.04
  4. Step 4: Simplify right side
    4,985.22x = 18,898,618.80
  5. Step 5: Solve for x
    x = 18,898,618.80/4,985.22
  6. Step 6: Final answer
    x = 3,790.93

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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.