Home / 5,489.56-7,574.94-3,099.37

Finding the Fourth Proportional to 5,489.56, 7,574.94 and 3,099.37

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Solution

The fourth proportional to 5,489.56, 7,574.94 and 3,099.37 is: 4,276.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.56 : 7,574.94 = 3,099.37 : x
  2. Step 2: Convert to fraction form
    5,489.56/7,574.94 = 3,099.37/x
  3. Step 3: Cross multiply
    5,489.56x = 7,574.94 × 3,099.37
  4. Step 4: Simplify right side
    5,489.56x = 23,477,541.79
  5. Step 5: Solve for x
    x = 23,477,541.79/5,489.56
  6. Step 6: Final answer
    x = 4,276.76

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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.