Home / 7,569.41-11,354.15-2,639.05

Finding the Fourth Proportional to 7,569.41, 11,354.15 and 2,639.05

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Solution

The fourth proportional to 7,569.41, 11,354.15 and 2,639.05 is: 3,958.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,569.41 : 11,354.15 = 2,639.05 : x
  2. Step 2: Convert to fraction form
    7,569.41/11,354.15 = 2,639.05/x
  3. Step 3: Cross multiply
    7,569.41x = 11,354.15 × 2,639.05
  4. Step 4: Simplify right side
    7,569.41x = 29,964,147.77
  5. Step 5: Solve for x
    x = 29,964,147.77/7,569.41
  6. Step 6: Final answer
    x = 3,958.58

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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.