Home / 6,119.63-8,445.81-3,635.63

Finding the Fourth Proportional to 6,119.63, 8,445.81 and 3,635.63

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Solution

The fourth proportional to 6,119.63, 8,445.81 and 3,635.63 is: 5,017.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119.63 : 8,445.81 = 3,635.63 : x
  2. Step 2: Convert to fraction form
    6,119.63/8,445.81 = 3,635.63/x
  3. Step 3: Cross multiply
    6,119.63x = 8,445.81 × 3,635.63
  4. Step 4: Simplify right side
    6,119.63x = 30,705,797.98
  5. Step 5: Solve for x
    x = 30,705,797.98/6,119.63
  6. Step 6: Final answer
    x = 5,017.59

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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.