Home / 4,190.23-6,285.55-2,806.35

Finding the Fourth Proportional to 4,190.23, 6,285.55 and 2,806.35

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Solution

The fourth proportional to 4,190.23, 6,285.55 and 2,806.35 is: 4,209.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.23 : 6,285.55 = 2,806.35 : x
  2. Step 2: Convert to fraction form
    4,190.23/6,285.55 = 2,806.35/x
  3. Step 3: Cross multiply
    4,190.23x = 6,285.55 × 2,806.35
  4. Step 4: Simplify right side
    4,190.23x = 17,639,453.24
  5. Step 5: Solve for x
    x = 17,639,453.24/4,190.23
  6. Step 6: Final answer
    x = 4,209.66

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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.