Home / 8,461.37-12,693.27-2,618.44

Finding the Fourth Proportional to 8,461.37, 12,693.27 and 2,618.44

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Solution

The fourth proportional to 8,461.37, 12,693.27 and 2,618.44 is: 3,928.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,461.37 : 12,693.27 = 2,618.44 : x
  2. Step 2: Convert to fraction form
    8,461.37/12,693.27 = 2,618.44/x
  3. Step 3: Cross multiply
    8,461.37x = 12,693.27 × 2,618.44
  4. Step 4: Simplify right side
    8,461.37x = 33,236,565.90
  5. Step 5: Solve for x
    x = 33,236,565.90/8,461.37
  6. Step 6: Final answer
    x = 3,928.04

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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.