Home / 5,407.90-8,112.22-2,284.81

Finding the Fourth Proportional to 5,407.90, 8,112.22 and 2,284.81

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Solution

The fourth proportional to 5,407.90, 8,112.22 and 2,284.81 is: 3,427.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.90 : 8,112.22 = 2,284.81 : x
  2. Step 2: Convert to fraction form
    5,407.90/8,112.22 = 2,284.81/x
  3. Step 3: Cross multiply
    5,407.90x = 8,112.22 × 2,284.81
  4. Step 4: Simplify right side
    5,407.90x = 18,534,855.39
  5. Step 5: Solve for x
    x = 18,534,855.39/5,407.90
  6. Step 6: Final answer
    x = 3,427.37

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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.