Home / 4,985.91-7,474.26-2,793.10

Finding the Fourth Proportional to 4,985.91, 7,474.26 and 2,793.10

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Solution

The fourth proportional to 4,985.91, 7,474.26 and 2,793.10 is: 4,187.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.91 : 7,474.26 = 2,793.10 : x
  2. Step 2: Convert to fraction form
    4,985.91/7,474.26 = 2,793.10/x
  3. Step 3: Cross multiply
    4,985.91x = 7,474.26 × 2,793.10
  4. Step 4: Simplify right side
    4,985.91x = 20,876,341.64
  5. Step 5: Solve for x
    x = 20,876,341.64/4,985.91
  6. Step 6: Final answer
    x = 4,187.07

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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.