Home / 6,611.24-9,122.85-3,958.58

Finding the Fourth Proportional to 6,611.24, 9,122.85 and 3,958.58

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Solution

The fourth proportional to 6,611.24, 9,122.85 and 3,958.58 is: 5,462.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,611.24 : 9,122.85 = 3,958.58 : x
  2. Step 2: Convert to fraction form
    6,611.24/9,122.85 = 3,958.58/x
  3. Step 3: Cross multiply
    6,611.24x = 9,122.85 × 3,958.58
  4. Step 4: Simplify right side
    6,611.24x = 36,113,554.36
  5. Step 5: Solve for x
    x = 36,113,554.36/6,611.24
  6. Step 6: Final answer
    x = 5,462.45

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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.