Home / 8,085.36-12,125.02-2,819.02

Finding the Fourth Proportional to 8,085.36, 12,125.02 and 2,819.02

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Solution

The fourth proportional to 8,085.36, 12,125.02 and 2,819.02 is: 4,227.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085.36 : 12,125.02 = 2,819.02 : x
  2. Step 2: Convert to fraction form
    8,085.36/12,125.02 = 2,819.02/x
  3. Step 3: Cross multiply
    8,085.36x = 12,125.02 × 2,819.02
  4. Step 4: Simplify right side
    8,085.36x = 34,180,656.61
  5. Step 5: Solve for x
    x = 34,180,656.61/8,085.36
  6. Step 6: Final answer
    x = 4,227.47

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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.