Home / 8,929.90-13,393.14-3,085.30

Finding the Fourth Proportional to 8,929.90, 13,393.14 and 3,085.30

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Solution

The fourth proportional to 8,929.90, 13,393.14 and 3,085.30 is: 4,627.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.90 : 13,393.14 = 3,085.30 : x
  2. Step 2: Convert to fraction form
    8,929.90/13,393.14 = 3,085.30/x
  3. Step 3: Cross multiply
    8,929.90x = 13,393.14 × 3,085.30
  4. Step 4: Simplify right side
    8,929.90x = 41,321,854.84
  5. Step 5: Solve for x
    x = 41,321,854.84/8,929.90
  6. Step 6: Final answer
    x = 4,627.36

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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.