Home / 4,698.20-7,044.60-1,410.80

Finding the Fourth Proportional to 4,698.20, 7,044.60 and 1,410.80

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Solution

The fourth proportional to 4,698.20, 7,044.60 and 1,410.80 is: 2,115.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,698.20 : 7,044.60 = 1,410.80 : x
  2. Step 2: Convert to fraction form
    4,698.20/7,044.60 = 1,410.80/x
  3. Step 3: Cross multiply
    4,698.20x = 7,044.60 × 1,410.80
  4. Step 4: Simplify right side
    4,698.20x = 9,938,521.68
  5. Step 5: Solve for x
    x = 9,938,521.68/4,698.20
  6. Step 6: Final answer
    x = 2,115.39

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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.