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Finding the Fourth Proportional to 9,259.88, 13,895.22 and 3,715.70

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Solution

The fourth proportional to 9,259.88, 13,895.22 and 3,715.70 is: 5,575.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,259.88 : 13,895.22 = 3,715.70 : x
  2. Step 2: Convert to fraction form
    9,259.88/13,895.22 = 3,715.70/x
  3. Step 3: Cross multiply
    9,259.88x = 13,895.22 × 3,715.70
  4. Step 4: Simplify right side
    9,259.88x = 51,630,468.95
  5. Step 5: Solve for x
    x = 51,630,468.95/9,259.88
  6. Step 6: Final answer
    x = 5,575.72

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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.