Home / 4,140.07-5,715.98-2,743.63

Finding the Fourth Proportional to 4,140.07, 5,715.98 and 2,743.63

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Solution

The fourth proportional to 4,140.07, 5,715.98 and 2,743.63 is: 3,787.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.07 : 5,715.98 = 2,743.63 : x
  2. Step 2: Convert to fraction form
    4,140.07/5,715.98 = 2,743.63/x
  3. Step 3: Cross multiply
    4,140.07x = 5,715.98 × 2,743.63
  4. Step 4: Simplify right side
    4,140.07x = 15,682,534.21
  5. Step 5: Solve for x
    x = 15,682,534.21/4,140.07
  6. Step 6: Final answer
    x = 3,787.99

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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.