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Finding the Fourth Proportional to 8,538.83, 12,808.23 and 2,695.44

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Solution

The fourth proportional to 8,538.83, 12,808.23 and 2,695.44 is: 4,043.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538.83 : 12,808.23 = 2,695.44 : x
  2. Step 2: Convert to fraction form
    8,538.83/12,808.23 = 2,695.44/x
  3. Step 3: Cross multiply
    8,538.83x = 12,808.23 × 2,695.44
  4. Step 4: Simplify right side
    8,538.83x = 34,523,790.19
  5. Step 5: Solve for x
    x = 34,523,790.19/8,538.83
  6. Step 6: Final answer
    x = 4,043.15

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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.