Home / 8,656.24-11,945.10-4,879.57

Finding the Fourth Proportional to 8,656.24, 11,945.10 and 4,879.57

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Solution

The fourth proportional to 8,656.24, 11,945.10 and 4,879.57 is: 6,733.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656.24 : 11,945.10 = 4,879.57 : x
  2. Step 2: Convert to fraction form
    8,656.24/11,945.10 = 4,879.57/x
  3. Step 3: Cross multiply
    8,656.24x = 11,945.10 × 4,879.57
  4. Step 4: Simplify right side
    8,656.24x = 58,286,951.61
  5. Step 5: Solve for x
    x = 58,286,951.61/8,656.24
  6. Step 6: Final answer
    x = 6,733.52

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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.