Home / 7,569.45-11,354.25-2,639.09

Finding the Fourth Proportional to 7,569.45, 11,354.25 and 2,639.09

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Solution

The fourth proportional to 7,569.45, 11,354.25 and 2,639.09 is: 3,958.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,569.45 : 11,354.25 = 2,639.09 : x
  2. Step 2: Convert to fraction form
    7,569.45/11,354.25 = 2,639.09/x
  3. Step 3: Cross multiply
    7,569.45x = 11,354.25 × 2,639.09
  4. Step 4: Simplify right side
    7,569.45x = 29,964,830.86
  5. Step 5: Solve for x
    x = 29,964,830.86/7,569.45
  6. Step 6: Final answer
    x = 3,958.65

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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.