Home / 7,072.21-10,587.81-6,321.80

Finding the Fourth Proportional to 7,072.21, 10,587.81 and 6,321.80

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Solution

The fourth proportional to 7,072.21, 10,587.81 and 6,321.80 is: 9,464.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072.21 : 10,587.81 = 6,321.80 : x
  2. Step 2: Convert to fraction form
    7,072.21/10,587.81 = 6,321.80/x
  3. Step 3: Cross multiply
    7,072.21x = 10,587.81 × 6,321.80
  4. Step 4: Simplify right side
    7,072.21x = 66,934,007.88
  5. Step 5: Solve for x
    x = 66,934,007.88/7,072.21
  6. Step 6: Final answer
    x = 9,464.37

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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.