Home / 7,421.83-11,127.86-3,034.87

Finding the Fourth Proportional to 7,421.83, 11,127.86 and 3,034.87

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Solution

The fourth proportional to 7,421.83, 11,127.86 and 3,034.87 is: 4,550.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.83 : 11,127.86 = 3,034.87 : x
  2. Step 2: Convert to fraction form
    7,421.83/11,127.86 = 3,034.87/x
  3. Step 3: Cross multiply
    7,421.83x = 11,127.86 × 3,034.87
  4. Step 4: Simplify right side
    7,421.83x = 33,771,593.30
  5. Step 5: Solve for x
    x = 33,771,593.30/7,421.83
  6. Step 6: Final answer
    x = 4,550.31

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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.