Home / 8,376.30-12,566.40-2,829.54

Finding the Fourth Proportional to 8,376.30, 12,566.40 and 2,829.54

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Solution

The fourth proportional to 8,376.30, 12,566.40 and 2,829.54 is: 4,244.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.30 : 12,566.40 = 2,829.54 : x
  2. Step 2: Convert to fraction form
    8,376.30/12,566.40 = 2,829.54/x
  3. Step 3: Cross multiply
    8,376.30x = 12,566.40 × 2,829.54
  4. Step 4: Simplify right side
    8,376.30x = 35,557,131.46
  5. Step 5: Solve for x
    x = 35,557,131.46/8,376.30
  6. Step 6: Final answer
    x = 4,244.97

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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.