Home / 6,115.29-9,175.36-1,955.94

Finding the Fourth Proportional to 6,115.29, 9,175.36 and 1,955.94

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Solution

The fourth proportional to 6,115.29, 9,175.36 and 1,955.94 is: 2,934.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.29 : 9,175.36 = 1,955.94 : x
  2. Step 2: Convert to fraction form
    6,115.29/9,175.36 = 1,955.94/x
  3. Step 3: Cross multiply
    6,115.29x = 9,175.36 × 1,955.94
  4. Step 4: Simplify right side
    6,115.29x = 17,946,453.64
  5. Step 5: Solve for x
    x = 17,946,453.64/6,115.29
  6. Step 6: Final answer
    x = 2,934.69

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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.