Home / 5,129.68-7,074.24-3,237.99

Finding the Fourth Proportional to 5,129.68, 7,074.24 and 3,237.99

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Solution

The fourth proportional to 5,129.68, 7,074.24 and 3,237.99 is: 4,465.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,129.68 : 7,074.24 = 3,237.99 : x
  2. Step 2: Convert to fraction form
    5,129.68/7,074.24 = 3,237.99/x
  3. Step 3: Cross multiply
    5,129.68x = 7,074.24 × 3,237.99
  4. Step 4: Simplify right side
    5,129.68x = 22,906,319.50
  5. Step 5: Solve for x
    x = 22,906,319.50/5,129.68
  6. Step 6: Final answer
    x = 4,465.45

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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.