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Finding the Fourth Proportional to 8,858.37, 12,224.10 and 4,879.40

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Solution

The fourth proportional to 8,858.37, 12,224.10 and 4,879.40 is: 6,733.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.37 : 12,224.10 = 4,879.40 : x
  2. Step 2: Convert to fraction form
    8,858.37/12,224.10 = 4,879.40/x
  3. Step 3: Cross multiply
    8,858.37x = 12,224.10 × 4,879.40
  4. Step 4: Simplify right side
    8,858.37x = 59,646,203.27
  5. Step 5: Solve for x
    x = 59,646,203.27/8,858.37
  6. Step 6: Final answer
    x = 6,733.32

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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.