Home / 7,151.63-10,727.73-2,221.16

Finding the Fourth Proportional to 7,151.63, 10,727.73 and 2,221.16

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Solution

The fourth proportional to 7,151.63, 10,727.73 and 2,221.16 is: 3,331.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.63 : 10,727.73 = 2,221.16 : x
  2. Step 2: Convert to fraction form
    7,151.63/10,727.73 = 2,221.16/x
  3. Step 3: Cross multiply
    7,151.63x = 10,727.73 × 2,221.16
  4. Step 4: Simplify right side
    7,151.63x = 23,828,004.77
  5. Step 5: Solve for x
    x = 23,828,004.77/7,151.63
  6. Step 6: Final answer
    x = 3,331.83

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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.