Home / 5,550.21-8,322.51-1,851.12

Finding the Fourth Proportional to 5,550.21, 8,322.51 and 1,851.12

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Solution

The fourth proportional to 5,550.21, 8,322.51 and 1,851.12 is: 2,775.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.21 : 8,322.51 = 1,851.12 : x
  2. Step 2: Convert to fraction form
    5,550.21/8,322.51 = 1,851.12/x
  3. Step 3: Cross multiply
    5,550.21x = 8,322.51 × 1,851.12
  4. Step 4: Simplify right side
    5,550.21x = 15,405,964.71
  5. Step 5: Solve for x
    x = 15,405,964.71/5,550.21
  6. Step 6: Final answer
    x = 2,775.74

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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.