Home / 8,162.83-11,265.66-4,578.78

Finding the Fourth Proportional to 8,162.83, 11,265.66 and 4,578.78

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Solution

The fourth proportional to 8,162.83, 11,265.66 and 4,578.78 is: 6,319.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,162.83 : 11,265.66 = 4,578.78 : x
  2. Step 2: Convert to fraction form
    8,162.83/11,265.66 = 4,578.78/x
  3. Step 3: Cross multiply
    8,162.83x = 11,265.66 × 4,578.78
  4. Step 4: Simplify right side
    8,162.83x = 51,582,944.69
  5. Step 5: Solve for x
    x = 51,582,944.69/8,162.83
  6. Step 6: Final answer
    x = 6,319.24

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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.