Home / 8,158.55-12,237.66-2,611.91

Finding the Fourth Proportional to 8,158.55, 12,237.66 and 2,611.91

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Solution

The fourth proportional to 8,158.55, 12,237.66 and 2,611.91 is: 3,917.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.55 : 12,237.66 = 2,611.91 : x
  2. Step 2: Convert to fraction form
    8,158.55/12,237.66 = 2,611.91/x
  3. Step 3: Cross multiply
    8,158.55x = 12,237.66 × 2,611.91
  4. Step 4: Simplify right side
    8,158.55x = 31,963,697.12
  5. Step 5: Solve for x
    x = 31,963,697.12/8,158.55
  6. Step 6: Final answer
    x = 3,917.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.