Home / 8,522.26-11,762.35-5,166.90

Finding the Fourth Proportional to 8,522.26, 11,762.35 and 5,166.90

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Solution

The fourth proportional to 8,522.26, 11,762.35 and 5,166.90 is: 7,131.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,522.26 : 11,762.35 = 5,166.90 : x
  2. Step 2: Convert to fraction form
    8,522.26/11,762.35 = 5,166.90/x
  3. Step 3: Cross multiply
    8,522.26x = 11,762.35 × 5,166.90
  4. Step 4: Simplify right side
    8,522.26x = 60,774,860.38
  5. Step 5: Solve for x
    x = 60,774,860.38/8,522.26
  6. Step 6: Final answer
    x = 7,131.31

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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.