Home / 7,272.27-10,035.73-4,128.46

Finding the Fourth Proportional to 7,272.27, 10,035.73 and 4,128.46

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Solution

The fourth proportional to 7,272.27, 10,035.73 and 4,128.46 is: 5,697.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.27 : 10,035.73 = 4,128.46 : x
  2. Step 2: Convert to fraction form
    7,272.27/10,035.73 = 4,128.46/x
  3. Step 3: Cross multiply
    7,272.27x = 10,035.73 × 4,128.46
  4. Step 4: Simplify right side
    7,272.27x = 41,432,066.72
  5. Step 5: Solve for x
    x = 41,432,066.72/7,272.27
  6. Step 6: Final answer
    x = 5,697.27

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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.