Home / 7,028.68-10,537.18-2,643.72

Finding the Fourth Proportional to 7,028.68, 10,537.18 and 2,643.72

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Solution

The fourth proportional to 7,028.68, 10,537.18 and 2,643.72 is: 3,963.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028.68 : 10,537.18 = 2,643.72 : x
  2. Step 2: Convert to fraction form
    7,028.68/10,537.18 = 2,643.72/x
  3. Step 3: Cross multiply
    7,028.68x = 10,537.18 × 2,643.72
  4. Step 4: Simplify right side
    7,028.68x = 27,857,353.51
  5. Step 5: Solve for x
    x = 27,857,353.51/7,028.68
  6. Step 6: Final answer
    x = 3,963.38

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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.