Home / 8,771.34-13,157.03-2,927.95

Finding the Fourth Proportional to 8,771.34, 13,157.03 and 2,927.95

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Solution

The fourth proportional to 8,771.34, 13,157.03 and 2,927.95 is: 4,391.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,771.34 : 13,157.03 = 2,927.95 : x
  2. Step 2: Convert to fraction form
    8,771.34/13,157.03 = 2,927.95/x
  3. Step 3: Cross multiply
    8,771.34x = 13,157.03 × 2,927.95
  4. Step 4: Simplify right side
    8,771.34x = 38,523,100.42
  5. Step 5: Solve for x
    x = 38,523,100.42/8,771.34
  6. Step 6: Final answer
    x = 4,391.93

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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.