Home / 7,261.34-10,874.47-4,131.87

Finding the Fourth Proportional to 7,261.34, 10,874.47 and 4,131.87

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Solution

The fourth proportional to 7,261.34, 10,874.47 and 4,131.87 is: 6,187.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.34 : 10,874.47 = 4,131.87 : x
  2. Step 2: Convert to fraction form
    7,261.34/10,874.47 = 4,131.87/x
  3. Step 3: Cross multiply
    7,261.34x = 10,874.47 × 4,131.87
  4. Step 4: Simplify right side
    7,261.34x = 44,931,821.33
  5. Step 5: Solve for x
    x = 44,931,821.33/7,261.34
  6. Step 6: Final answer
    x = 6,187.81

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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.