Home / 7,451.94-11,182.36-2,771.16

Finding the Fourth Proportional to 7,451.94, 11,182.36 and 2,771.16

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Solution

The fourth proportional to 7,451.94, 11,182.36 and 2,771.16 is: 4,158.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.94 : 11,182.36 = 2,771.16 : x
  2. Step 2: Convert to fraction form
    7,451.94/11,182.36 = 2,771.16/x
  3. Step 3: Cross multiply
    7,451.94x = 11,182.36 × 2,771.16
  4. Step 4: Simplify right side
    7,451.94x = 30,988,108.74
  5. Step 5: Solve for x
    x = 30,988,108.74/7,451.94
  6. Step 6: Final answer
    x = 4,158.39

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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.