Home / 6,125.12-9,187.68-2,021.12

Finding the Fourth Proportional to 6,125.12, 9,187.68 and 2,021.12

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Solution

The fourth proportional to 6,125.12, 9,187.68 and 2,021.12 is: 3,031.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,125.12 : 9,187.68 = 2,021.12 : x
  2. Step 2: Convert to fraction form
    6,125.12/9,187.68 = 2,021.12/x
  3. Step 3: Cross multiply
    6,125.12x = 9,187.68 × 2,021.12
  4. Step 4: Simplify right side
    6,125.12x = 18,569,403.80
  5. Step 5: Solve for x
    x = 18,569,403.80/6,125.12
  6. Step 6: Final answer
    x = 3,031.68

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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.