Home / 9,927.28-14,890.88-3,771.28

Finding the Fourth Proportional to 9,927.28, 14,890.88 and 3,771.28

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Solution

The fourth proportional to 9,927.28, 14,890.88 and 3,771.28 is: 5,656.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,927.28 : 14,890.88 = 3,771.28 : x
  2. Step 2: Convert to fraction form
    9,927.28/14,890.88 = 3,771.28/x
  3. Step 3: Cross multiply
    9,927.28x = 14,890.88 × 3,771.28
  4. Step 4: Simplify right side
    9,927.28x = 56,157,677.93
  5. Step 5: Solve for x
    x = 56,157,677.93/9,927.28
  6. Step 6: Final answer
    x = 5,656.90

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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.