Home / 5,550.15-8,323.31-1,851.51

Finding the Fourth Proportional to 5,550.15, 8,323.31 and 1,851.51

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Solution

The fourth proportional to 5,550.15, 8,323.31 and 1,851.51 is: 2,776.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.15 : 8,323.31 = 1,851.51 : x
  2. Step 2: Convert to fraction form
    5,550.15/8,323.31 = 1,851.51/x
  3. Step 3: Cross multiply
    5,550.15x = 8,323.31 × 1,851.51
  4. Step 4: Simplify right side
    5,550.15x = 15,410,682.44
  5. Step 5: Solve for x
    x = 15,410,682.44/5,550.15
  6. Step 6: Final answer
    x = 2,776.62

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1.5x scale

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.