Home / 5,419.20-8,137.01-4,806.84

Finding the Fourth Proportional to 5,419.20, 8,137.01 and 4,806.84

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Solution

The fourth proportional to 5,419.20, 8,137.01 and 4,806.84 is: 7,217.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.20 : 8,137.01 = 4,806.84 : x
  2. Step 2: Convert to fraction form
    5,419.20/8,137.01 = 4,806.84/x
  3. Step 3: Cross multiply
    5,419.20x = 8,137.01 × 4,806.84
  4. Step 4: Simplify right side
    5,419.20x = 39,113,320.64
  5. Step 5: Solve for x
    x = 39,113,320.64/5,419.20
  6. Step 6: Final answer
    x = 7,217.54

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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.