Home / 7,367.22-10,141.09-6,421.37

Finding the Fourth Proportional to 7,367.22, 10,141.09 and 6,421.37

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Solution

The fourth proportional to 7,367.22, 10,141.09 and 6,421.37 is: 8,839.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,367.22 : 10,141.09 = 6,421.37 : x
  2. Step 2: Convert to fraction form
    7,367.22/10,141.09 = 6,421.37/x
  3. Step 3: Cross multiply
    7,367.22x = 10,141.09 × 6,421.37
  4. Step 4: Simplify right side
    7,367.22x = 65,119,658.99
  5. Step 5: Solve for x
    x = 65,119,658.99/7,367.22
  6. Step 6: Final answer
    x = 8,839.11

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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.