Home / 8,636.24-12,957.08-3,089.44

Finding the Fourth Proportional to 8,636.24, 12,957.08 and 3,089.44

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Solution

The fourth proportional to 8,636.24, 12,957.08 and 3,089.44 is: 4,635.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,636.24 : 12,957.08 = 3,089.44 : x
  2. Step 2: Convert to fraction form
    8,636.24/12,957.08 = 3,089.44/x
  3. Step 3: Cross multiply
    8,636.24x = 12,957.08 × 3,089.44
  4. Step 4: Simplify right side
    8,636.24x = 40,030,121.24
  5. Step 5: Solve for x
    x = 40,030,121.24/8,636.24
  6. Step 6: Final answer
    x = 4,635.13

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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.