Home / 7,561.68-11,344.50-2,881.77

Finding the Fourth Proportional to 7,561.68, 11,344.50 and 2,881.77

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Solution

The fourth proportional to 7,561.68, 11,344.50 and 2,881.77 is: 4,323.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,561.68 : 11,344.50 = 2,881.77 : x
  2. Step 2: Convert to fraction form
    7,561.68/11,344.50 = 2,881.77/x
  3. Step 3: Cross multiply
    7,561.68x = 11,344.50 × 2,881.77
  4. Step 4: Simplify right side
    7,561.68x = 32,692,239.77
  5. Step 5: Solve for x
    x = 32,692,239.77/7,561.68
  6. Step 6: Final answer
    x = 4,323.41

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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.