Home / 8,305.13-12,454.74-2,756.99

Finding the Fourth Proportional to 8,305.13, 12,454.74 and 2,756.99

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Solution

The fourth proportional to 8,305.13, 12,454.74 and 2,756.99 is: 4,134.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305.13 : 12,454.74 = 2,756.99 : x
  2. Step 2: Convert to fraction form
    8,305.13/12,454.74 = 2,756.99/x
  3. Step 3: Cross multiply
    8,305.13x = 12,454.74 × 2,756.99
  4. Step 4: Simplify right side
    8,305.13x = 34,337,546.96
  5. Step 5: Solve for x
    x = 34,337,546.96/8,305.13
  6. Step 6: Final answer
    x = 4,134.50

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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.