Home / 7,182.77-9,911.44-4,387.73

Finding the Fourth Proportional to 7,182.77, 9,911.44 and 4,387.73

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Solution

The fourth proportional to 7,182.77, 9,911.44 and 4,387.73 is: 6,054.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182.77 : 9,911.44 = 4,387.73 : x
  2. Step 2: Convert to fraction form
    7,182.77/9,911.44 = 4,387.73/x
  3. Step 3: Cross multiply
    7,182.77x = 9,911.44 × 4,387.73
  4. Step 4: Simplify right side
    7,182.77x = 43,488,722.63
  5. Step 5: Solve for x
    x = 43,488,722.63/7,182.77
  6. Step 6: Final answer
    x = 6,054.59

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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.