Home / 5,148.22-7,722.34-2,069.50

Finding the Fourth Proportional to 5,148.22, 7,722.34 and 2,069.50

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Solution

The fourth proportional to 5,148.22, 7,722.34 and 2,069.50 is: 3,104.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.22 : 7,722.34 = 2,069.50 : x
  2. Step 2: Convert to fraction form
    5,148.22/7,722.34 = 2,069.50/x
  3. Step 3: Cross multiply
    5,148.22x = 7,722.34 × 2,069.50
  4. Step 4: Simplify right side
    5,148.22x = 15,981,382.63
  5. Step 5: Solve for x
    x = 15,981,382.63/5,148.22
  6. Step 6: Final answer
    x = 3,104.25

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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.