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Finding the Fourth Proportional to 8,999.98, 13,500.37 and 2,759.53

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Solution

The fourth proportional to 8,999.98, 13,500.37 and 2,759.53 is: 4,139.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999.98 : 13,500.37 = 2,759.53 : x
  2. Step 2: Convert to fraction form
    8,999.98/13,500.37 = 2,759.53/x
  3. Step 3: Cross multiply
    8,999.98x = 13,500.37 × 2,759.53
  4. Step 4: Simplify right side
    8,999.98x = 37,254,676.03
  5. Step 5: Solve for x
    x = 37,254,676.03/8,999.98
  6. Step 6: Final answer
    x = 4,139.42

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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.