Home / 6,611.23-9,105.45-6,135.58

Finding the Fourth Proportional to 6,611.23, 9,105.45 and 6,135.58

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Solution

The fourth proportional to 6,611.23, 9,105.45 and 6,135.58 is: 8,450.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,611.23 : 9,105.45 = 6,135.58 : x
  2. Step 2: Convert to fraction form
    6,611.23/9,105.45 = 6,135.58/x
  3. Step 3: Cross multiply
    6,611.23x = 9,105.45 × 6,135.58
  4. Step 4: Simplify right side
    6,611.23x = 55,867,216.91
  5. Step 5: Solve for x
    x = 55,867,216.91/6,611.23
  6. Step 6: Final answer
    x = 8,450.35

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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.