Home / 6,291.24-9,436.06-2,131.08

Finding the Fourth Proportional to 6,291.24, 9,436.06 and 2,131.08

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Solution

The fourth proportional to 6,291.24, 9,436.06 and 2,131.08 is: 3,196.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,291.24 : 9,436.06 = 2,131.08 : x
  2. Step 2: Convert to fraction form
    6,291.24/9,436.06 = 2,131.08/x
  3. Step 3: Cross multiply
    6,291.24x = 9,436.06 × 2,131.08
  4. Step 4: Simplify right side
    6,291.24x = 20,108,998.74
  5. Step 5: Solve for x
    x = 20,108,998.74/6,291.24
  6. Step 6: Final answer
    x = 3,196.35

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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.