Home / 7,254.72-10,874.79-3,784.68

Finding the Fourth Proportional to 7,254.72, 10,874.79 and 3,784.68

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Solution

The fourth proportional to 7,254.72, 10,874.79 and 3,784.68 is: 5,673.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,254.72 : 10,874.79 = 3,784.68 : x
  2. Step 2: Convert to fraction form
    7,254.72/10,874.79 = 3,784.68/x
  3. Step 3: Cross multiply
    7,254.72x = 10,874.79 × 3,784.68
  4. Step 4: Simplify right side
    7,254.72x = 41,157,600.22
  5. Step 5: Solve for x
    x = 41,157,600.22/7,254.72
  6. Step 6: Final answer
    x = 5,673.22

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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.