Home / 8,357.30-12,537.20-2,809.29

Finding the Fourth Proportional to 8,357.30, 12,537.20 and 2,809.29

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Solution

The fourth proportional to 8,357.30, 12,537.20 and 2,809.29 is: 4,214.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,357.30 : 12,537.20 = 2,809.29 : x
  2. Step 2: Convert to fraction form
    8,357.30/12,537.20 = 2,809.29/x
  3. Step 3: Cross multiply
    8,357.30x = 12,537.20 × 2,809.29
  4. Step 4: Simplify right side
    8,357.30x = 35,220,630.59
  5. Step 5: Solve for x
    x = 35,220,630.59/8,357.30
  6. Step 6: Final answer
    x = 4,214.36

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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.