Home / 5,412.62-7,464.35-3,419.62

Finding the Fourth Proportional to 5,412.62, 7,464.35 and 3,419.62

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Solution

The fourth proportional to 5,412.62, 7,464.35 and 3,419.62 is: 4,715.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.62 : 7,464.35 = 3,419.62 : x
  2. Step 2: Convert to fraction form
    5,412.62/7,464.35 = 3,419.62/x
  3. Step 3: Cross multiply
    5,412.62x = 7,464.35 × 3,419.62
  4. Step 4: Simplify right side
    5,412.62x = 25,525,230.44
  5. Step 5: Solve for x
    x = 25,525,230.44/5,412.62
  6. Step 6: Final answer
    x = 4,715.87

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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.