Home / 4,676.20-7,007.10-3,135.40

Finding the Fourth Proportional to 4,676.20, 7,007.10 and 3,135.40

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Solution

The fourth proportional to 4,676.20, 7,007.10 and 3,135.40 is: 4,698.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,676.20 : 7,007.10 = 3,135.40 : x
  2. Step 2: Convert to fraction form
    4,676.20/7,007.10 = 3,135.40/x
  3. Step 3: Cross multiply
    4,676.20x = 7,007.10 × 3,135.40
  4. Step 4: Simplify right side
    4,676.20x = 21,970,061.34
  5. Step 5: Solve for x
    x = 21,970,061.34/4,676.20
  6. Step 6: Final answer
    x = 4,698.27

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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.