Home / 9,125.91-13,689.63-3,578.85

Finding the Fourth Proportional to 9,125.91, 13,689.63 and 3,578.85

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Solution

The fourth proportional to 9,125.91, 13,689.63 and 3,578.85 is: 5,368.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,125.91 : 13,689.63 = 3,578.85 : x
  2. Step 2: Convert to fraction form
    9,125.91/13,689.63 = 3,578.85/x
  3. Step 3: Cross multiply
    9,125.91x = 13,689.63 × 3,578.85
  4. Step 4: Simplify right side
    9,125.91x = 48,993,132.33
  5. Step 5: Solve for x
    x = 48,993,132.33/9,125.91
  6. Step 6: Final answer
    x = 5,368.58

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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.