Home / 7,620.48-11,423.53-2,686.96

Finding the Fourth Proportional to 7,620.48, 11,423.53 and 2,686.96

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Solution

The fourth proportional to 7,620.48, 11,423.53 and 2,686.96 is: 4,027.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620.48 : 11,423.53 = 2,686.96 : x
  2. Step 2: Convert to fraction form
    7,620.48/11,423.53 = 2,686.96/x
  3. Step 3: Cross multiply
    7,620.48x = 11,423.53 × 2,686.96
  4. Step 4: Simplify right side
    7,620.48x = 30,694,568.17
  5. Step 5: Solve for x
    x = 30,694,568.17/7,620.48
  6. Step 6: Final answer
    x = 4,027.90

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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.