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Finding the Fourth Proportional to 6,888.53, 10,334.07 and 3,188.31

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Solution

The fourth proportional to 6,888.53, 10,334.07 and 3,188.31 is: 4,783.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,888.53 : 10,334.07 = 3,188.31 : x
  2. Step 2: Convert to fraction form
    6,888.53/10,334.07 = 3,188.31/x
  3. Step 3: Cross multiply
    6,888.53x = 10,334.07 × 3,188.31
  4. Step 4: Simplify right side
    6,888.53x = 32,948,218.72
  5. Step 5: Solve for x
    x = 32,948,218.72/6,888.53
  6. Step 6: Final answer
    x = 4,783.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.