Home / 8,106.19-12,159.93-2,559.96

Finding the Fourth Proportional to 8,106.19, 12,159.93 and 2,559.96

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Solution

The fourth proportional to 8,106.19, 12,159.93 and 2,559.96 is: 3,840.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.19 : 12,159.93 = 2,559.96 : x
  2. Step 2: Convert to fraction form
    8,106.19/12,159.93 = 2,559.96/x
  3. Step 3: Cross multiply
    8,106.19x = 12,159.93 × 2,559.96
  4. Step 4: Simplify right side
    8,106.19x = 31,128,958.40
  5. Step 5: Solve for x
    x = 31,128,958.40/8,106.19
  6. Step 6: Final answer
    x = 3,840.15

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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.