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Finding the Fourth Proportional to 9,201.72, 13,801.14 and 3,045.72

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Solution

The fourth proportional to 9,201.72, 13,801.14 and 3,045.72 is: 4,568.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,201.72 : 13,801.14 = 3,045.72 : x
  2. Step 2: Convert to fraction form
    9,201.72/13,801.14 = 3,045.72/x
  3. Step 3: Cross multiply
    9,201.72x = 13,801.14 × 3,045.72
  4. Step 4: Simplify right side
    9,201.72x = 42,034,408.12
  5. Step 5: Solve for x
    x = 42,034,408.12/9,201.72
  6. Step 6: Final answer
    x = 4,568.10

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1.5x scale

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.