Home / 5,499.37-8,247.31-1,988.91

Finding the Fourth Proportional to 5,499.37, 8,247.31 and 1,988.91

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Solution

The fourth proportional to 5,499.37, 8,247.31 and 1,988.91 is: 2,982.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,499.37 : 8,247.31 = 1,988.91 : x
  2. Step 2: Convert to fraction form
    5,499.37/8,247.31 = 1,988.91/x
  3. Step 3: Cross multiply
    5,499.37x = 8,247.31 × 1,988.91
  4. Step 4: Simplify right side
    5,499.37x = 16,403,157.33
  5. Step 5: Solve for x
    x = 16,403,157.33/5,499.37
  6. Step 6: Final answer
    x = 2,982.73

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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.