Home / 6,611.40-9,122.75-4,256.73

Finding the Fourth Proportional to 6,611.40, 9,122.75 and 4,256.73

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Solution

The fourth proportional to 6,611.40, 9,122.75 and 4,256.73 is: 5,873.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,611.40 : 9,122.75 = 4,256.73 : x
  2. Step 2: Convert to fraction form
    6,611.40/9,122.75 = 4,256.73/x
  3. Step 3: Cross multiply
    6,611.40x = 9,122.75 × 4,256.73
  4. Step 4: Simplify right side
    6,611.40x = 38,833,083.61
  5. Step 5: Solve for x
    x = 38,833,083.61/6,611.40
  6. Step 6: Final answer
    x = 5,873.66

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Half scale
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Double scale
Find fourth proportional to 6,612.40, 9,124.13 and 4,257.73
Similar ratio
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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.