Home / 9,377.26-12,940.46-5,185.51

Finding the Fourth Proportional to 9,377.26, 12,940.46 and 5,185.51

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Solution

The fourth proportional to 9,377.26, 12,940.46 and 5,185.51 is: 7,155.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,377.26 : 12,940.46 = 5,185.51 : x
  2. Step 2: Convert to fraction form
    9,377.26/12,940.46 = 5,185.51/x
  3. Step 3: Cross multiply
    9,377.26x = 12,940.46 × 5,185.51
  4. Step 4: Simplify right side
    9,377.26x = 67,102,845.90
  5. Step 5: Solve for x
    x = 67,102,845.90/9,377.26
  6. Step 6: Final answer
    x = 7,155.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.