Home / 7,490.56-11,236.83-2,558.87

Finding the Fourth Proportional to 7,490.56, 11,236.83 and 2,558.87

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Solution

The fourth proportional to 7,490.56, 11,236.83 and 2,558.87 is: 3,838.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.56 : 11,236.83 = 2,558.87 : x
  2. Step 2: Convert to fraction form
    7,490.56/11,236.83 = 2,558.87/x
  3. Step 3: Cross multiply
    7,490.56x = 11,236.83 × 2,558.87
  4. Step 4: Simplify right side
    7,490.56x = 28,753,587.18
  5. Step 5: Solve for x
    x = 28,753,587.18/7,490.56
  6. Step 6: Final answer
    x = 3,838.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.