Home / 8,522.11-11,763.72-4,986.46

Finding the Fourth Proportional to 8,522.11, 11,763.72 and 4,986.46

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Solution

The fourth proportional to 8,522.11, 11,763.72 and 4,986.46 is: 6,883.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,522.11 : 11,763.72 = 4,986.46 : x
  2. Step 2: Convert to fraction form
    8,522.11/11,763.72 = 4,986.46/x
  3. Step 3: Cross multiply
    8,522.11x = 11,763.72 × 4,986.46
  4. Step 4: Simplify right side
    8,522.11x = 58,659,235.48
  5. Step 5: Solve for x
    x = 58,659,235.48/8,522.11
  6. Step 6: Final answer
    x = 6,883.19

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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.