Home / 8,376.18-12,555.52-2,827.61

Finding the Fourth Proportional to 8,376.18, 12,555.52 and 2,827.61

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Solution

The fourth proportional to 8,376.18, 12,555.52 and 2,827.61 is: 4,238.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.18 : 12,555.52 = 2,827.61 : x
  2. Step 2: Convert to fraction form
    8,376.18/12,555.52 = 2,827.61/x
  3. Step 3: Cross multiply
    8,376.18x = 12,555.52 × 2,827.61
  4. Step 4: Simplify right side
    8,376.18x = 35,502,113.91
  5. Step 5: Solve for x
    x = 35,502,113.91/8,376.18
  6. Step 6: Final answer
    x = 4,238.46

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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.