Home / 6,147.79-9,228.53-3,185.45

Finding the Fourth Proportional to 6,147.79, 9,228.53 and 3,185.45

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Solution

The fourth proportional to 6,147.79, 9,228.53 and 3,185.45 is: 4,781.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,147.79 : 9,228.53 = 3,185.45 : x
  2. Step 2: Convert to fraction form
    6,147.79/9,228.53 = 3,185.45/x
  3. Step 3: Cross multiply
    6,147.79x = 9,228.53 × 3,185.45
  4. Step 4: Simplify right side
    6,147.79x = 29,397,020.89
  5. Step 5: Solve for x
    x = 29,397,020.89/6,147.79
  6. Step 6: Final answer
    x = 4,781.72

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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.