Home / 8,085.93-12,125.86-2,819.58

Finding the Fourth Proportional to 8,085.93, 12,125.86 and 2,819.58

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Solution

The fourth proportional to 8,085.93, 12,125.86 and 2,819.58 is: 4,228.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085.93 : 12,125.86 = 2,819.58 : x
  2. Step 2: Convert to fraction form
    8,085.93/12,125.86 = 2,819.58/x
  3. Step 3: Cross multiply
    8,085.93x = 12,125.86 × 2,819.58
  4. Step 4: Simplify right side
    8,085.93x = 34,189,848.03
  5. Step 5: Solve for x
    x = 34,189,848.03/8,085.93
  6. Step 6: Final answer
    x = 4,228.32

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1.5x scale

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.