Home / 4,695.30-7,042.62-1,408.14

Finding the Fourth Proportional to 4,695.30, 7,042.62 and 1,408.14

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Solution

The fourth proportional to 4,695.30, 7,042.62 and 1,408.14 is: 2,112.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,695.30 : 7,042.62 = 1,408.14 : x
  2. Step 2: Convert to fraction form
    4,695.30/7,042.62 = 1,408.14/x
  3. Step 3: Cross multiply
    4,695.30x = 7,042.62 × 1,408.14
  4. Step 4: Simplify right side
    4,695.30x = 9,916,994.93
  5. Step 5: Solve for x
    x = 9,916,994.93/4,695.30
  6. Step 6: Final answer
    x = 2,112.11

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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.