Home / 6,611.75-9,124.58-3,818.15

Finding the Fourth Proportional to 6,611.75, 9,124.58 and 3,818.15

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Solution

The fourth proportional to 6,611.75, 9,124.58 and 3,818.15 is: 5,269.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,611.75 : 9,124.58 = 3,818.15 : x
  2. Step 2: Convert to fraction form
    6,611.75/9,124.58 = 3,818.15/x
  3. Step 3: Cross multiply
    6,611.75x = 9,124.58 × 3,818.15
  4. Step 4: Simplify right side
    6,611.75x = 34,838,996.04
  5. Step 5: Solve for x
    x = 34,838,996.04/6,611.75
  6. Step 6: Final answer
    x = 5,269.25

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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.