Home / 5,416.13-8,120.07-1,716.23

Finding the Fourth Proportional to 5,416.13, 8,120.07 and 1,716.23

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Solution

The fourth proportional to 5,416.13, 8,120.07 and 1,716.23 is: 2,573.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.13 : 8,120.07 = 1,716.23 : x
  2. Step 2: Convert to fraction form
    5,416.13/8,120.07 = 1,716.23/x
  3. Step 3: Cross multiply
    5,416.13x = 8,120.07 × 1,716.23
  4. Step 4: Simplify right side
    5,416.13x = 13,935,867.14
  5. Step 5: Solve for x
    x = 13,935,867.14/5,416.13
  6. Step 6: Final answer
    x = 2,573.03

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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.