Home / 8,622-11,899.80-6,522.48

Finding the Fourth Proportional to 8,622, 11,899.80 and 6,522.48

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Solution

The fourth proportional to 8,622, 11,899.80 and 6,522.48 is: 9,002.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,622 : 11,899.80 = 6,522.48 : x
  2. Step 2: Convert to fraction form
    8,622/11,899.80 = 6,522.48/x
  3. Step 3: Cross multiply
    8,622x = 11,899.80 × 6,522.48
  4. Step 4: Simplify right side
    8,622x = 77,616,207.50
  5. Step 5: Solve for x
    x = 77,616,207.50/8,622
  6. Step 6: Final answer
    x = 9,002.11

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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.