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Finding the Fourth Proportional to 8,045.80, 12,069.60 and 2,499.10

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Solution

The fourth proportional to 8,045.80, 12,069.60 and 2,499.10 is: 3,748.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.80 : 12,069.60 = 2,499.10 : x
  2. Step 2: Convert to fraction form
    8,045.80/12,069.60 = 2,499.10/x
  3. Step 3: Cross multiply
    8,045.80x = 12,069.60 × 2,499.10
  4. Step 4: Simplify right side
    8,045.80x = 30,163,137.36
  5. Step 5: Solve for x
    x = 30,163,137.36/8,045.80
  6. Step 6: Final answer
    x = 3,748.93

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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.