Home / 6,680.10-10,019.77-3,393.12

Finding the Fourth Proportional to 6,680.10, 10,019.77 and 3,393.12

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Solution

The fourth proportional to 6,680.10, 10,019.77 and 3,393.12 is: 5,089.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,680.10 : 10,019.77 = 3,393.12 : x
  2. Step 2: Convert to fraction form
    6,680.10/10,019.77 = 3,393.12/x
  3. Step 3: Cross multiply
    6,680.10x = 10,019.77 × 3,393.12
  4. Step 4: Simplify right side
    6,680.10x = 33,998,311.07
  5. Step 5: Solve for x
    x = 33,998,311.07/6,680.10
  6. Step 6: Final answer
    x = 5,089.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.