Home / 8,158.16-12,237.08-2,611.50

Finding the Fourth Proportional to 8,158.16, 12,237.08 and 2,611.50

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Solution

The fourth proportional to 8,158.16, 12,237.08 and 2,611.50 is: 3,917.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.16 : 12,237.08 = 2,611.50 : x
  2. Step 2: Convert to fraction form
    8,158.16/12,237.08 = 2,611.50/x
  3. Step 3: Cross multiply
    8,158.16x = 12,237.08 × 2,611.50
  4. Step 4: Simplify right side
    8,158.16x = 31,957,121.36
  5. Step 5: Solve for x
    x = 31,957,121.36/8,158.16
  6. Step 6: Final answer
    x = 3,917.20

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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.