Home / 6,108.12-8,428.37-3,555.18

Finding the Fourth Proportional to 6,108.12, 8,428.37 and 3,555.18

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Solution

The fourth proportional to 6,108.12, 8,428.37 and 3,555.18 is: 4,905.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,108.12 : 8,428.37 = 3,555.18 : x
  2. Step 2: Convert to fraction form
    6,108.12/8,428.37 = 3,555.18/x
  3. Step 3: Cross multiply
    6,108.12x = 8,428.37 × 3,555.18
  4. Step 4: Simplify right side
    6,108.12x = 29,964,354.68
  5. Step 5: Solve for x
    x = 29,964,354.68/6,108.12
  6. Step 6: Final answer
    x = 4,905.66

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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.