Home / 4,812.88-7,218.54-1,349.32

Finding the Fourth Proportional to 4,812.88, 7,218.54 and 1,349.32

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Solution

The fourth proportional to 4,812.88, 7,218.54 and 1,349.32 is: 2,023.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.88 : 7,218.54 = 1,349.32 : x
  2. Step 2: Convert to fraction form
    4,812.88/7,218.54 = 1,349.32/x
  3. Step 3: Cross multiply
    4,812.88x = 7,218.54 × 1,349.32
  4. Step 4: Simplify right side
    4,812.88x = 9,740,120.39
  5. Step 5: Solve for x
    x = 9,740,120.39/4,812.88
  6. Step 6: Final answer
    x = 2,023.76

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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.