Home / 8,269.77-12,405.36-2,346.72

Finding the Fourth Proportional to 8,269.77, 12,405.36 and 2,346.72

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Solution

The fourth proportional to 8,269.77, 12,405.36 and 2,346.72 is: 3,520.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269.77 : 12,405.36 = 2,346.72 : x
  2. Step 2: Convert to fraction form
    8,269.77/12,405.36 = 2,346.72/x
  3. Step 3: Cross multiply
    8,269.77x = 12,405.36 × 2,346.72
  4. Step 4: Simplify right side
    8,269.77x = 29,111,906.42
  5. Step 5: Solve for x
    x = 29,111,906.42/8,269.77
  6. Step 6: Final answer
    x = 3,520.28

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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.