Home / 4,748.22-7,120.26-1,459.50

Finding the Fourth Proportional to 4,748.22, 7,120.26 and 1,459.50

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Solution

The fourth proportional to 4,748.22, 7,120.26 and 1,459.50 is: 2,188.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,748.22 : 7,120.26 = 1,459.50 : x
  2. Step 2: Convert to fraction form
    4,748.22/7,120.26 = 1,459.50/x
  3. Step 3: Cross multiply
    4,748.22x = 7,120.26 × 1,459.50
  4. Step 4: Simplify right side
    4,748.22x = 10,392,019.47
  5. Step 5: Solve for x
    x = 10,392,019.47/4,748.22
  6. Step 6: Final answer
    x = 2,188.61

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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.