Home / 9,099.30-13,645.44-2,857.98

Finding the Fourth Proportional to 9,099.30, 13,645.44 and 2,857.98

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Solution

The fourth proportional to 9,099.30, 13,645.44 and 2,857.98 is: 4,285.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,099.30 : 13,645.44 = 2,857.98 : x
  2. Step 2: Convert to fraction form
    9,099.30/13,645.44 = 2,857.98/x
  3. Step 3: Cross multiply
    9,099.30x = 13,645.44 × 2,857.98
  4. Step 4: Simplify right side
    9,099.30x = 38,998,394.61
  5. Step 5: Solve for x
    x = 38,998,394.61/9,099.30
  6. Step 6: Final answer
    x = 4,285.87

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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.