Home / 6,317.20-9,486.60-6,122.80

Finding the Fourth Proportional to 6,317.20, 9,486.60 and 6,122.80

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Solution

The fourth proportional to 6,317.20, 9,486.60 and 6,122.80 is: 9,194.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,317.20 : 9,486.60 = 6,122.80 : x
  2. Step 2: Convert to fraction form
    6,317.20/9,486.60 = 6,122.80/x
  3. Step 3: Cross multiply
    6,317.20x = 9,486.60 × 6,122.80
  4. Step 4: Simplify right side
    6,317.20x = 58,084,554.48
  5. Step 5: Solve for x
    x = 58,084,554.48/6,317.20
  6. Step 6: Final answer
    x = 9,194.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.