Home / 5,237.28-7,227.45-2,879.46

Finding the Fourth Proportional to 5,237.28, 7,227.45 and 2,879.46

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Solution

The fourth proportional to 5,237.28, 7,227.45 and 2,879.46 is: 3,973.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.28 : 7,227.45 = 2,879.46 : x
  2. Step 2: Convert to fraction form
    5,237.28/7,227.45 = 2,879.46/x
  3. Step 3: Cross multiply
    5,237.28x = 7,227.45 × 2,879.46
  4. Step 4: Simplify right side
    5,237.28x = 20,811,153.18
  5. Step 5: Solve for x
    x = 20,811,153.18/5,237.28
  6. Step 6: Final answer
    x = 3,973.66

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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.