Home / 5,216.71-7,199.24-2,858.83

Finding the Fourth Proportional to 5,216.71, 7,199.24 and 2,858.83

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Solution

The fourth proportional to 5,216.71, 7,199.24 and 2,858.83 is: 3,945.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216.71 : 7,199.24 = 2,858.83 : x
  2. Step 2: Convert to fraction form
    5,216.71/7,199.24 = 2,858.83/x
  3. Step 3: Cross multiply
    5,216.71x = 7,199.24 × 2,858.83
  4. Step 4: Simplify right side
    5,216.71x = 20,581,403.29
  5. Step 5: Solve for x
    x = 20,581,403.29/5,216.71
  6. Step 6: Final answer
    x = 3,945.28

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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.