Home / 8,879.36-12,241.68-6,365.12

Finding the Fourth Proportional to 8,879.36, 12,241.68 and 6,365.12

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Solution

The fourth proportional to 8,879.36, 12,241.68 and 6,365.12 is: 8,775.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,879.36 : 12,241.68 = 6,365.12 : x
  2. Step 2: Convert to fraction form
    8,879.36/12,241.68 = 6,365.12/x
  3. Step 3: Cross multiply
    8,879.36x = 12,241.68 × 6,365.12
  4. Step 4: Simplify right side
    8,879.36x = 77,919,762.20
  5. Step 5: Solve for x
    x = 77,919,762.20/8,879.36
  6. Step 6: Final answer
    x = 8,775.38

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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.