Home / 8,159.12-12,237.51-2,611.74

Finding the Fourth Proportional to 8,159.12, 12,237.51 and 2,611.74

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Solution

The fourth proportional to 8,159.12, 12,237.51 and 2,611.74 is: 3,917.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,159.12 : 12,237.51 = 2,611.74 : x
  2. Step 2: Convert to fraction form
    8,159.12/12,237.51 = 2,611.74/x
  3. Step 3: Cross multiply
    8,159.12x = 12,237.51 × 2,611.74
  4. Step 4: Simplify right side
    8,159.12x = 31,961,194.37
  5. Step 5: Solve for x
    x = 31,961,194.37/8,159.12
  6. Step 6: Final answer
    x = 3,917.24

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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.