Home / 6,611.19-9,123.74-3,958.08

Finding the Fourth Proportional to 6,611.19, 9,123.74 and 3,958.08

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Solution

The fourth proportional to 6,611.19, 9,123.74 and 3,958.08 is: 5,462.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,611.19 : 9,123.74 = 3,958.08 : x
  2. Step 2: Convert to fraction form
    6,611.19/9,123.74 = 3,958.08/x
  3. Step 3: Cross multiply
    6,611.19x = 9,123.74 × 3,958.08
  4. Step 4: Simplify right side
    6,611.19x = 36,112,473.03
  5. Step 5: Solve for x
    x = 36,112,473.03/6,611.19
  6. Step 6: Final answer
    x = 5,462.33

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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.