Home / 6,102.12-8,420.91-3,307.62

Finding the Fourth Proportional to 6,102.12, 8,420.91 and 3,307.62

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Solution

The fourth proportional to 6,102.12, 8,420.91 and 3,307.62 is: 4,564.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,102.12 : 8,420.91 = 3,307.62 : x
  2. Step 2: Convert to fraction form
    6,102.12/8,420.91 = 3,307.62/x
  3. Step 3: Cross multiply
    6,102.12x = 8,420.91 × 3,307.62
  4. Step 4: Simplify right side
    6,102.12x = 27,853,170.33
  5. Step 5: Solve for x
    x = 27,853,170.33/6,102.12
  6. Step 6: Final answer
    x = 4,564.51

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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.