Home / 4,695.21-7,042.55-1,408.37

Finding the Fourth Proportional to 4,695.21, 7,042.55 and 1,408.37

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Solution

The fourth proportional to 4,695.21, 7,042.55 and 1,408.37 is: 2,112.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,695.21 : 7,042.55 = 1,408.37 : x
  2. Step 2: Convert to fraction form
    4,695.21/7,042.55 = 1,408.37/x
  3. Step 3: Cross multiply
    4,695.21x = 7,042.55 × 1,408.37
  4. Step 4: Simplify right side
    4,695.21x = 9,918,473.89
  5. Step 5: Solve for x
    x = 9,918,473.89/4,695.21
  6. Step 6: Final answer
    x = 2,112.47

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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.