Home / 6,416.71-8,855.21-3,766.03

Finding the Fourth Proportional to 6,416.71, 8,855.21 and 3,766.03

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Solution

The fourth proportional to 6,416.71, 8,855.21 and 3,766.03 is: 5,197.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,416.71 : 8,855.21 = 3,766.03 : x
  2. Step 2: Convert to fraction form
    6,416.71/8,855.21 = 3,766.03/x
  3. Step 3: Cross multiply
    6,416.71x = 8,855.21 × 3,766.03
  4. Step 4: Simplify right side
    6,416.71x = 33,348,967.69
  5. Step 5: Solve for x
    x = 33,348,967.69/6,416.71
  6. Step 6: Final answer
    x = 5,197.21

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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.