Home / 5,519.34-8,269.29-5,190.48

Finding the Fourth Proportional to 5,519.34, 8,269.29 and 5,190.48

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Solution

The fourth proportional to 5,519.34, 8,269.29 and 5,190.48 is: 7,776.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.34 : 8,269.29 = 5,190.48 : x
  2. Step 2: Convert to fraction form
    5,519.34/8,269.29 = 5,190.48/x
  3. Step 3: Cross multiply
    5,519.34x = 8,269.29 × 5,190.48
  4. Step 4: Simplify right side
    5,519.34x = 42,921,584.36
  5. Step 5: Solve for x
    x = 42,921,584.36/5,519.34
  6. Step 6: Final answer
    x = 7,776.58

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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.