Home / 5,237.50-7,227.77-2,879.66

Finding the Fourth Proportional to 5,237.50, 7,227.77 and 2,879.66

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Solution

The fourth proportional to 5,237.50, 7,227.77 and 2,879.66 is: 3,973.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.50 : 7,227.77 = 2,879.66 : x
  2. Step 2: Convert to fraction form
    5,237.50/7,227.77 = 2,879.66/x
  3. Step 3: Cross multiply
    5,237.50x = 7,227.77 × 2,879.66
  4. Step 4: Simplify right side
    5,237.50x = 20,813,520.16
  5. Step 5: Solve for x
    x = 20,813,520.16/5,237.50
  6. Step 6: Final answer
    x = 3,973.94

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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.