Home / 5,499.87-8,248.07-1,989.41

Finding the Fourth Proportional to 5,499.87, 8,248.07 and 1,989.41

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Solution

The fourth proportional to 5,499.87, 8,248.07 and 1,989.41 is: 2,983.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,499.87 : 8,248.07 = 1,989.41 : x
  2. Step 2: Convert to fraction form
    5,499.87/8,248.07 = 1,989.41/x
  3. Step 3: Cross multiply
    5,499.87x = 8,248.07 × 1,989.41
  4. Step 4: Simplify right side
    5,499.87x = 16,408,741.75
  5. Step 5: Solve for x
    x = 16,408,741.75/5,499.87
  6. Step 6: Final answer
    x = 2,983.48

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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.