Home / 6,291.26-9,436.34-2,131.17

Finding the Fourth Proportional to 6,291.26, 9,436.34 and 2,131.17

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Solution

The fourth proportional to 6,291.26, 9,436.34 and 2,131.17 is: 3,196.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,291.26 : 9,436.34 = 2,131.17 : x
  2. Step 2: Convert to fraction form
    6,291.26/9,436.34 = 2,131.17/x
  3. Step 3: Cross multiply
    6,291.26x = 9,436.34 × 2,131.17
  4. Step 4: Simplify right side
    6,291.26x = 20,110,457.65
  5. Step 5: Solve for x
    x = 20,110,457.65/6,291.26
  6. Step 6: Final answer
    x = 3,196.57

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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.