Home / 8,145.65-11,241.37-6,374.18

Finding the Fourth Proportional to 8,145.65, 11,241.37 and 6,374.18

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Solution

The fourth proportional to 8,145.65, 11,241.37 and 6,374.18 is: 8,796.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.65 : 11,241.37 = 6,374.18 : x
  2. Step 2: Convert to fraction form
    8,145.65/11,241.37 = 6,374.18/x
  3. Step 3: Cross multiply
    8,145.65x = 11,241.37 × 6,374.18
  4. Step 4: Simplify right side
    8,145.65x = 71,654,551.90
  5. Step 5: Solve for x
    x = 71,654,551.90/8,145.65
  6. Step 6: Final answer
    x = 8,796.66

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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.