Home / 7,563.60-11,345.45-2,629.79

Finding the Fourth Proportional to 7,563.60, 11,345.45 and 2,629.79

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Solution

The fourth proportional to 7,563.60, 11,345.45 and 2,629.79 is: 3,944.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,563.60 : 11,345.45 = 2,629.79 : x
  2. Step 2: Convert to fraction form
    7,563.60/11,345.45 = 2,629.79/x
  3. Step 3: Cross multiply
    7,563.60x = 11,345.45 × 2,629.79
  4. Step 4: Simplify right side
    7,563.60x = 29,836,081.08
  5. Step 5: Solve for x
    x = 29,836,081.08/7,563.60
  6. Step 6: Final answer
    x = 3,944.69

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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.