Home / 8,230.08-12,342.45-2,681.97

Finding the Fourth Proportional to 8,230.08, 12,342.45 and 2,681.97

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Solution

The fourth proportional to 8,230.08, 12,342.45 and 2,681.97 is: 4,022.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,230.08 : 12,342.45 = 2,681.97 : x
  2. Step 2: Convert to fraction form
    8,230.08/12,342.45 = 2,681.97/x
  3. Step 3: Cross multiply
    8,230.08x = 12,342.45 × 2,681.97
  4. Step 4: Simplify right side
    8,230.08x = 33,102,080.63
  5. Step 5: Solve for x
    x = 33,102,080.63/8,230.08
  6. Step 6: Final answer
    x = 4,022.08

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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.