Home / 5,419.24-8,157.35-4,136.68

Finding the Fourth Proportional to 5,419.24, 8,157.35 and 4,136.68

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Solution

The fourth proportional to 5,419.24, 8,157.35 and 4,136.68 is: 6,226.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.24 : 8,157.35 = 4,136.68 : x
  2. Step 2: Convert to fraction form
    5,419.24/8,157.35 = 4,136.68/x
  3. Step 3: Cross multiply
    5,419.24x = 8,157.35 × 4,136.68
  4. Step 4: Simplify right side
    5,419.24x = 33,744,346.60
  5. Step 5: Solve for x
    x = 33,744,346.60/5,419.24
  6. Step 6: Final answer
    x = 6,226.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.