Home / 7,225.74-10,828.42-3,422.35

Finding the Fourth Proportional to 7,225.74, 10,828.42 and 3,422.35

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Solution

The fourth proportional to 7,225.74, 10,828.42 and 3,422.35 is: 5,128.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,225.74 : 10,828.42 = 3,422.35 : x
  2. Step 2: Convert to fraction form
    7,225.74/10,828.42 = 3,422.35/x
  3. Step 3: Cross multiply
    7,225.74x = 10,828.42 × 3,422.35
  4. Step 4: Simplify right side
    7,225.74x = 37,058,596.88
  5. Step 5: Solve for x
    x = 37,058,596.88/7,225.74
  6. Step 6: Final answer
    x = 5,128.69

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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.