Home / 8,857.32-12,223.85-4,879.18

Finding the Fourth Proportional to 8,857.32, 12,223.85 and 4,879.18

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Solution

The fourth proportional to 8,857.32, 12,223.85 and 4,879.18 is: 6,733.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.32 : 12,223.85 = 4,879.18 : x
  2. Step 2: Convert to fraction form
    8,857.32/12,223.85 = 4,879.18/x
  3. Step 3: Cross multiply
    8,857.32x = 12,223.85 × 4,879.18
  4. Step 4: Simplify right side
    8,857.32x = 59,642,364.44
  5. Step 5: Solve for x
    x = 59,642,364.44/8,857.32
  6. Step 6: Final answer
    x = 6,733.68

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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.