Home / 7,181.77-9,910.68-4,387.27

Finding the Fourth Proportional to 7,181.77, 9,910.68 and 4,387.27

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Solution

The fourth proportional to 7,181.77, 9,910.68 and 4,387.27 is: 6,054.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,181.77 : 9,910.68 = 4,387.27 : x
  2. Step 2: Convert to fraction form
    7,181.77/9,910.68 = 4,387.27/x
  3. Step 3: Cross multiply
    7,181.77x = 9,910.68 × 4,387.27
  4. Step 4: Simplify right side
    7,181.77x = 43,480,829.04
  5. Step 5: Solve for x
    x = 43,480,829.04/7,181.77
  6. Step 6: Final answer
    x = 6,054.33

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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.