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Finding the Fourth Proportional to 8,580.51, 11,841.26 and 6,694.22

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Solution

The fourth proportional to 8,580.51, 11,841.26 and 6,694.22 is: 9,238.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,580.51 : 11,841.26 = 6,694.22 : x
  2. Step 2: Convert to fraction form
    8,580.51/11,841.26 = 6,694.22/x
  3. Step 3: Cross multiply
    8,580.51x = 11,841.26 × 6,694.22
  4. Step 4: Simplify right side
    8,580.51x = 79,267,999.52
  5. Step 5: Solve for x
    x = 79,267,999.52/8,580.51
  6. Step 6: Final answer
    x = 9,238.15

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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.