Home / 8,240.22-12,359.30-2,693.10

Finding the Fourth Proportional to 8,240.22, 12,359.30 and 2,693.10

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Solution

The fourth proportional to 8,240.22, 12,359.30 and 2,693.10 is: 4,039.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240.22 : 12,359.30 = 2,693.10 : x
  2. Step 2: Convert to fraction form
    8,240.22/12,359.30 = 2,693.10/x
  3. Step 3: Cross multiply
    8,240.22x = 12,359.30 × 2,693.10
  4. Step 4: Simplify right side
    8,240.22x = 33,284,830.83
  5. Step 5: Solve for x
    x = 33,284,830.83/8,240.22
  6. Step 6: Final answer
    x = 4,039.31

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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.