Home / 8,342.15-12,518.16-3,080.83

Finding the Fourth Proportional to 8,342.15, 12,518.16 and 3,080.83

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Solution

The fourth proportional to 8,342.15, 12,518.16 and 3,080.83 is: 4,623.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,342.15 : 12,518.16 = 3,080.83 : x
  2. Step 2: Convert to fraction form
    8,342.15/12,518.16 = 3,080.83/x
  3. Step 3: Cross multiply
    8,342.15x = 12,518.16 × 3,080.83
  4. Step 4: Simplify right side
    8,342.15x = 38,566,322.87
  5. Step 5: Solve for x
    x = 38,566,322.87/8,342.15
  6. Step 6: Final answer
    x = 4,623.07

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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.