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Finding the Fourth Proportional to 6,885, 9,501.23 and 3,741.20

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Solution

The fourth proportional to 6,885, 9,501.23 and 3,741.20 is: 5,162.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,885 : 9,501.23 = 3,741.20 : x
  2. Step 2: Convert to fraction form
    6,885/9,501.23 = 3,741.20/x
  3. Step 3: Cross multiply
    6,885x = 9,501.23 × 3,741.20
  4. Step 4: Simplify right side
    6,885x = 35,546,001.68
  5. Step 5: Solve for x
    x = 35,546,001.68/6,885
  6. Step 6: Final answer
    x = 5,162.82

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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.