Home / 8,376.49-12,555.96-2,827.90

Finding the Fourth Proportional to 8,376.49, 12,555.96 and 2,827.90

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Solution

The fourth proportional to 8,376.49, 12,555.96 and 2,827.90 is: 4,238.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.49 : 12,555.96 = 2,827.90 : x
  2. Step 2: Convert to fraction form
    8,376.49/12,555.96 = 2,827.90/x
  3. Step 3: Cross multiply
    8,376.49x = 12,555.96 × 2,827.90
  4. Step 4: Simplify right side
    8,376.49x = 35,506,999.28
  5. Step 5: Solve for x
    x = 35,506,999.28/8,376.49
  6. Step 6: Final answer
    x = 4,238.89

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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.