Home / 6,718.24-9,270.46-3,885.18

Finding the Fourth Proportional to 6,718.24, 9,270.46 and 3,885.18

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Solution

The fourth proportional to 6,718.24, 9,270.46 and 3,885.18 is: 5,361.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,718.24 : 9,270.46 = 3,885.18 : x
  2. Step 2: Convert to fraction form
    6,718.24/9,270.46 = 3,885.18/x
  3. Step 3: Cross multiply
    6,718.24x = 9,270.46 × 3,885.18
  4. Step 4: Simplify right side
    6,718.24x = 36,017,405.78
  5. Step 5: Solve for x
    x = 36,017,405.78/6,718.24
  6. Step 6: Final answer
    x = 5,361.14

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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.