Home / 8,522.13-11,759.70-6,285.21

Finding the Fourth Proportional to 8,522.13, 11,759.70 and 6,285.21

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Solution

The fourth proportional to 8,522.13, 11,759.70 and 6,285.21 is: 8,672.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,522.13 : 11,759.70 = 6,285.21 : x
  2. Step 2: Convert to fraction form
    8,522.13/11,759.70 = 6,285.21/x
  3. Step 3: Cross multiply
    8,522.13x = 11,759.70 × 6,285.21
  4. Step 4: Simplify right side
    8,522.13x = 73,912,184.04
  5. Step 5: Solve for x
    x = 73,912,184.04/8,522.13
  6. Step 6: Final answer
    x = 8,672.97

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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.