Home / 4,919.28-7,380.27-2,451.12

Finding the Fourth Proportional to 4,919.28, 7,380.27 and 2,451.12

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Solution

The fourth proportional to 4,919.28, 7,380.27 and 2,451.12 is: 3,677.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.28 : 7,380.27 = 2,451.12 : x
  2. Step 2: Convert to fraction form
    4,919.28/7,380.27 = 2,451.12/x
  3. Step 3: Cross multiply
    4,919.28x = 7,380.27 × 2,451.12
  4. Step 4: Simplify right side
    4,919.28x = 18,089,927.40
  5. Step 5: Solve for x
    x = 18,089,927.40/4,919.28
  6. Step 6: Final answer
    x = 3,677.35

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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.