Home / 8,342.22-12,518.27-3,080.92

Finding the Fourth Proportional to 8,342.22, 12,518.27 and 3,080.92

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Solution

The fourth proportional to 8,342.22, 12,518.27 and 3,080.92 is: 4,623.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,342.22 : 12,518.27 = 3,080.92 : x
  2. Step 2: Convert to fraction form
    8,342.22/12,518.27 = 3,080.92/x
  3. Step 3: Cross multiply
    8,342.22x = 12,518.27 × 3,080.92
  4. Step 4: Simplify right side
    8,342.22x = 38,567,741.71
  5. Step 5: Solve for x
    x = 38,567,741.71/8,342.22
  6. Step 6: Final answer
    x = 4,623.20

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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.