Home / 8,321.13-11,487.93-6,208.26

Finding the Fourth Proportional to 8,321.13, 11,487.93 and 6,208.26

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Solution

The fourth proportional to 8,321.13, 11,487.93 and 6,208.26 is: 8,570.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321.13 : 11,487.93 = 6,208.26 : x
  2. Step 2: Convert to fraction form
    8,321.13/11,487.93 = 6,208.26/x
  3. Step 3: Cross multiply
    8,321.13x = 11,487.93 × 6,208.26
  4. Step 4: Simplify right side
    8,321.13x = 71,320,056.30
  5. Step 5: Solve for x
    x = 71,320,056.30/8,321.13
  6. Step 6: Final answer
    x = 8,570.96

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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.