Home / 4,749.54-7,127.01-2,558.22

Finding the Fourth Proportional to 4,749.54, 7,127.01 and 2,558.22

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Solution

The fourth proportional to 4,749.54, 7,127.01 and 2,558.22 is: 3,838.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749.54 : 7,127.01 = 2,558.22 : x
  2. Step 2: Convert to fraction form
    4,749.54/7,127.01 = 2,558.22/x
  3. Step 3: Cross multiply
    4,749.54x = 7,127.01 × 2,558.22
  4. Step 4: Simplify right side
    4,749.54x = 18,232,459.52
  5. Step 5: Solve for x
    x = 18,232,459.52/4,749.54
  6. Step 6: Final answer
    x = 3,838.78

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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.