Home / 8,684.89-13,030.46-3,416.99

Finding the Fourth Proportional to 8,684.89, 13,030.46 and 3,416.99

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Solution

The fourth proportional to 8,684.89, 13,030.46 and 3,416.99 is: 5,126.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,684.89 : 13,030.46 = 3,416.99 : x
  2. Step 2: Convert to fraction form
    8,684.89/13,030.46 = 3,416.99/x
  3. Step 3: Cross multiply
    8,684.89x = 13,030.46 × 3,416.99
  4. Step 4: Simplify right side
    8,684.89x = 44,524,882.09
  5. Step 5: Solve for x
    x = 44,524,882.09/8,684.89
  6. Step 6: Final answer
    x = 5,126.71

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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.