Home / 4,140.73-5,715.71-2,743.93

Finding the Fourth Proportional to 4,140.73, 5,715.71 and 2,743.93

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Solution

The fourth proportional to 4,140.73, 5,715.71 and 2,743.93 is: 3,787.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.73 : 5,715.71 = 2,743.93 : x
  2. Step 2: Convert to fraction form
    4,140.73/5,715.71 = 2,743.93/x
  3. Step 3: Cross multiply
    4,140.73x = 5,715.71 × 2,743.93
  4. Step 4: Simplify right side
    4,140.73x = 15,683,508.14
  5. Step 5: Solve for x
    x = 15,683,508.14/4,140.73
  6. Step 6: Final answer
    x = 3,787.62

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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.