Home / 5,419.13-7,478.57-3,322.85

Finding the Fourth Proportional to 5,419.13, 7,478.57 and 3,322.85

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Solution

The fourth proportional to 5,419.13, 7,478.57 and 3,322.85 is: 4,585.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.13 : 7,478.57 = 3,322.85 : x
  2. Step 2: Convert to fraction form
    5,419.13/7,478.57 = 3,322.85/x
  3. Step 3: Cross multiply
    5,419.13x = 7,478.57 × 3,322.85
  4. Step 4: Simplify right side
    5,419.13x = 24,850,137.24
  5. Step 5: Solve for x
    x = 24,850,137.24/5,419.13
  6. Step 6: Final answer
    x = 4,585.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.