Home / 5,148.44-7,722.63-1,252.88

Finding the Fourth Proportional to 5,148.44, 7,722.63 and 1,252.88

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Solution

The fourth proportional to 5,148.44, 7,722.63 and 1,252.88 is: 1,879.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.44 : 7,722.63 = 1,252.88 : x
  2. Step 2: Convert to fraction form
    5,148.44/7,722.63 = 1,252.88/x
  3. Step 3: Cross multiply
    5,148.44x = 7,722.63 × 1,252.88
  4. Step 4: Simplify right side
    5,148.44x = 9,675,528.67
  5. Step 5: Solve for x
    x = 9,675,528.67/5,148.44
  6. Step 6: Final answer
    x = 1,879.31

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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.