Home / 5,421.64-8,119.44-2,950.32

Finding the Fourth Proportional to 5,421.64, 8,119.44 and 2,950.32

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Solution

The fourth proportional to 5,421.64, 8,119.44 and 2,950.32 is: 4,418.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.64 : 8,119.44 = 2,950.32 : x
  2. Step 2: Convert to fraction form
    5,421.64/8,119.44 = 2,950.32/x
  3. Step 3: Cross multiply
    5,421.64x = 8,119.44 × 2,950.32
  4. Step 4: Simplify right side
    5,421.64x = 23,954,946.22
  5. Step 5: Solve for x
    x = 23,954,946.22/5,421.64
  6. Step 6: Final answer
    x = 4,418.39

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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.