Home / 4,828.19-7,242.21-1,540.67

Finding the Fourth Proportional to 4,828.19, 7,242.21 and 1,540.67

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Solution

The fourth proportional to 4,828.19, 7,242.21 and 1,540.67 is: 2,310.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,828.19 : 7,242.21 = 1,540.67 : x
  2. Step 2: Convert to fraction form
    4,828.19/7,242.21 = 1,540.67/x
  3. Step 3: Cross multiply
    4,828.19x = 7,242.21 × 1,540.67
  4. Step 4: Simplify right side
    4,828.19x = 11,157,819.47
  5. Step 5: Solve for x
    x = 11,157,819.47/4,828.19
  6. Step 6: Final answer
    x = 2,310.98

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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.