Home / 5,619.23-7,753.19-3,629.45

Finding the Fourth Proportional to 5,619.23, 7,753.19 and 3,629.45

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Solution

The fourth proportional to 5,619.23, 7,753.19 and 3,629.45 is: 5,007.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.23 : 7,753.19 = 3,629.45 : x
  2. Step 2: Convert to fraction form
    5,619.23/7,753.19 = 3,629.45/x
  3. Step 3: Cross multiply
    5,619.23x = 7,753.19 × 3,629.45
  4. Step 4: Simplify right side
    5,619.23x = 28,139,776.68
  5. Step 5: Solve for x
    x = 28,139,776.68/5,619.23
  6. Step 6: Final answer
    x = 5,007.76

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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.