Home / 7,429.22-10,251.91-4,071.39

Finding the Fourth Proportional to 7,429.22, 10,251.91 and 4,071.39

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Solution

The fourth proportional to 7,429.22, 10,251.91 and 4,071.39 is: 5,618.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.22 : 10,251.91 = 4,071.39 : x
  2. Step 2: Convert to fraction form
    7,429.22/10,251.91 = 4,071.39/x
  3. Step 3: Cross multiply
    7,429.22x = 10,251.91 × 4,071.39
  4. Step 4: Simplify right side
    7,429.22x = 41,739,523.85
  5. Step 5: Solve for x
    x = 41,739,523.85/7,429.22
  6. Step 6: Final answer
    x = 5,618.29

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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.