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Finding the Fourth Proportional to 8,656.30, 11,945.04 and 4,879.27

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Solution

The fourth proportional to 8,656.30, 11,945.04 and 4,879.27 is: 6,733.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656.30 : 11,945.04 = 4,879.27 : x
  2. Step 2: Convert to fraction form
    8,656.30/11,945.04 = 4,879.27/x
  3. Step 3: Cross multiply
    8,656.30x = 11,945.04 × 4,879.27
  4. Step 4: Simplify right side
    8,656.30x = 58,283,075.32
  5. Step 5: Solve for x
    x = 58,283,075.32/8,656.30
  6. Step 6: Final answer
    x = 6,733.02

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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.