Home / 6,718.35-9,268.67-3,885.21

Finding the Fourth Proportional to 6,718.35, 9,268.67 and 3,885.21

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Solution

The fourth proportional to 6,718.35, 9,268.67 and 3,885.21 is: 5,360.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,718.35 : 9,268.67 = 3,885.21 : x
  2. Step 2: Convert to fraction form
    6,718.35/9,268.67 = 3,885.21/x
  3. Step 3: Cross multiply
    6,718.35x = 9,268.67 × 3,885.21
  4. Step 4: Simplify right side
    6,718.35x = 36,010,729.37
  5. Step 5: Solve for x
    x = 36,010,729.37/6,718.35
  6. Step 6: Final answer
    x = 5,360.06

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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.