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Finding the Fourth Proportional to 8,998.14, 13,499.19 and 2,759.01

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Solution

The fourth proportional to 8,998.14, 13,499.19 and 2,759.01 is: 4,139.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,998.14 : 13,499.19 = 2,759.01 : x
  2. Step 2: Convert to fraction form
    8,998.14/13,499.19 = 2,759.01/x
  3. Step 3: Cross multiply
    8,998.14x = 13,499.19 × 2,759.01
  4. Step 4: Simplify right side
    8,998.14x = 37,244,400.20
  5. Step 5: Solve for x
    x = 37,244,400.20/8,998.14
  6. Step 6: Final answer
    x = 4,139.12

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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.