Home / 9,021.36-12,450.12-6,222

Finding the Fourth Proportional to 9,021.36, 12,450.12 and 6,222

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Solution

The fourth proportional to 9,021.36, 12,450.12 and 6,222 is: 8,586.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.36 : 12,450.12 = 6,222 : x
  2. Step 2: Convert to fraction form
    9,021.36/12,450.12 = 6,222/x
  3. Step 3: Cross multiply
    9,021.36x = 12,450.12 × 6,222
  4. Step 4: Simplify right side
    9,021.36x = 77,464,646.64
  5. Step 5: Solve for x
    x = 77,464,646.64/9,021.36
  6. Step 6: Final answer
    x = 8,586.80

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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.