Home / 7,155.23-10,728.66-3,257.51

Finding the Fourth Proportional to 7,155.23, 10,728.66 and 3,257.51

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Solution

The fourth proportional to 7,155.23, 10,728.66 and 3,257.51 is: 4,884.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,155.23 : 10,728.66 = 3,257.51 : x
  2. Step 2: Convert to fraction form
    7,155.23/10,728.66 = 3,257.51/x
  3. Step 3: Cross multiply
    7,155.23x = 10,728.66 × 3,257.51
  4. Step 4: Simplify right side
    7,155.23x = 34,948,717.24
  5. Step 5: Solve for x
    x = 34,948,717.24/7,155.23
  6. Step 6: Final answer
    x = 4,884.36

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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.