Home / 5,380.42-8,039.48-4,124.14

Finding the Fourth Proportional to 5,380.42, 8,039.48 and 4,124.14

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Solution

The fourth proportional to 5,380.42, 8,039.48 and 4,124.14 is: 6,162.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.42 : 8,039.48 = 4,124.14 : x
  2. Step 2: Convert to fraction form
    5,380.42/8,039.48 = 4,124.14/x
  3. Step 3: Cross multiply
    5,380.42x = 8,039.48 × 4,124.14
  4. Step 4: Simplify right side
    5,380.42x = 33,155,941.05
  5. Step 5: Solve for x
    x = 33,155,941.05/5,380.42
  6. Step 6: Final answer
    x = 6,162.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.