Home / 8,240.16-12,360.20-2,697.32

Finding the Fourth Proportional to 8,240.16, 12,360.20 and 2,697.32

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Solution

The fourth proportional to 8,240.16, 12,360.20 and 2,697.32 is: 4,045.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240.16 : 12,360.20 = 2,697.32 : x
  2. Step 2: Convert to fraction form
    8,240.16/12,360.20 = 2,697.32/x
  3. Step 3: Cross multiply
    8,240.16x = 12,360.20 × 2,697.32
  4. Step 4: Simplify right side
    8,240.16x = 33,339,414.66
  5. Step 5: Solve for x
    x = 33,339,414.66/8,240.16
  6. Step 6: Final answer
    x = 4,045.97

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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.