Home / 4,885.74-7,318.89-4,270.14

Finding the Fourth Proportional to 4,885.74, 7,318.89 and 4,270.14

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Solution

The fourth proportional to 4,885.74, 7,318.89 and 4,270.14 is: 6,396.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.74 : 7,318.89 = 4,270.14 : x
  2. Step 2: Convert to fraction form
    4,885.74/7,318.89 = 4,270.14/x
  3. Step 3: Cross multiply
    4,885.74x = 7,318.89 × 4,270.14
  4. Step 4: Simplify right side
    4,885.74x = 31,252,684.94
  5. Step 5: Solve for x
    x = 31,252,684.94/4,885.74
  6. Step 6: Final answer
    x = 6,396.71

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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.