Home / 8,161.32-12,242.08-2,317.92

Finding the Fourth Proportional to 8,161.32, 12,242.08 and 2,317.92

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Solution

The fourth proportional to 8,161.32, 12,242.08 and 2,317.92 is: 3,476.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.32 : 12,242.08 = 2,317.92 : x
  2. Step 2: Convert to fraction form
    8,161.32/12,242.08 = 2,317.92/x
  3. Step 3: Cross multiply
    8,161.32x = 12,242.08 × 2,317.92
  4. Step 4: Simplify right side
    8,161.32x = 28,376,162.07
  5. Step 5: Solve for x
    x = 28,376,162.07/8,161.32
  6. Step 6: Final answer
    x = 3,476.91

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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.