Home / 5,919.77-8,879.56-3,424.70

Finding the Fourth Proportional to 5,919.77, 8,879.56 and 3,424.70

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Solution

The fourth proportional to 5,919.77, 8,879.56 and 3,424.70 is: 5,137.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.77 : 8,879.56 = 3,424.70 : x
  2. Step 2: Convert to fraction form
    5,919.77/8,879.56 = 3,424.70/x
  3. Step 3: Cross multiply
    5,919.77x = 8,879.56 × 3,424.70
  4. Step 4: Simplify right side
    5,919.77x = 30,409,829.13
  5. Step 5: Solve for x
    x = 30,409,829.13/5,919.77
  6. Step 6: Final answer
    x = 5,137.00

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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.