Home / 5,519.86-7,616.61-3,035.86

Finding the Fourth Proportional to 5,519.86, 7,616.61 and 3,035.86

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Solution

The fourth proportional to 5,519.86, 7,616.61 and 3,035.86 is: 4,189.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.86 : 7,616.61 = 3,035.86 : x
  2. Step 2: Convert to fraction form
    5,519.86/7,616.61 = 3,035.86/x
  3. Step 3: Cross multiply
    5,519.86x = 7,616.61 × 3,035.86
  4. Step 4: Simplify right side
    5,519.86x = 23,122,961.63
  5. Step 5: Solve for x
    x = 23,122,961.63/5,519.86
  6. Step 6: Final answer
    x = 4,189.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.