Home / 8,267.28-12,403.80-3,074.64

Finding the Fourth Proportional to 8,267.28, 12,403.80 and 3,074.64

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Solution

The fourth proportional to 8,267.28, 12,403.80 and 3,074.64 is: 4,613.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,267.28 : 12,403.80 = 3,074.64 : x
  2. Step 2: Convert to fraction form
    8,267.28/12,403.80 = 3,074.64/x
  3. Step 3: Cross multiply
    8,267.28x = 12,403.80 × 3,074.64
  4. Step 4: Simplify right side
    8,267.28x = 38,137,219.63
  5. Step 5: Solve for x
    x = 38,137,219.63/8,267.28
  6. Step 6: Final answer
    x = 4,613.03

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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.