Home / 5,030.22-7,546.68-2,107.80

Finding the Fourth Proportional to 5,030.22, 7,546.68 and 2,107.80

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Solution

The fourth proportional to 5,030.22, 7,546.68 and 2,107.80 is: 3,162.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,030.22 : 7,546.68 = 2,107.80 : x
  2. Step 2: Convert to fraction form
    5,030.22/7,546.68 = 2,107.80/x
  3. Step 3: Cross multiply
    5,030.22x = 7,546.68 × 2,107.80
  4. Step 4: Simplify right side
    5,030.22x = 15,906,892.10
  5. Step 5: Solve for x
    x = 15,906,892.10/5,030.22
  6. Step 6: Final answer
    x = 3,162.27

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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.