Home / 8,161.58-12,244.50-2,615.72

Finding the Fourth Proportional to 8,161.58, 12,244.50 and 2,615.72

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Solution

The fourth proportional to 8,161.58, 12,244.50 and 2,615.72 is: 3,924.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.58 : 12,244.50 = 2,615.72 : x
  2. Step 2: Convert to fraction form
    8,161.58/12,244.50 = 2,615.72/x
  3. Step 3: Cross multiply
    8,161.58x = 12,244.50 × 2,615.72
  4. Step 4: Simplify right side
    8,161.58x = 32,028,122.32
  5. Step 5: Solve for x
    x = 32,028,122.32/8,161.58
  6. Step 6: Final answer
    x = 3,924.25

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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.