Home / 6,108.54-8,428.32-3,589.80

Finding the Fourth Proportional to 6,108.54, 8,428.32 and 3,589.80

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Solution

The fourth proportional to 6,108.54, 8,428.32 and 3,589.80 is: 4,953.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,108.54 : 8,428.32 = 3,589.80 : x
  2. Step 2: Convert to fraction form
    6,108.54/8,428.32 = 3,589.80/x
  3. Step 3: Cross multiply
    6,108.54x = 8,428.32 × 3,589.80
  4. Step 4: Simplify right side
    6,108.54x = 30,255,983.14
  5. Step 5: Solve for x
    x = 30,255,983.14/6,108.54
  6. Step 6: Final answer
    x = 4,953.06

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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.