Home / 5,190.12-7,785.99-2,266.83

Finding the Fourth Proportional to 5,190.12, 7,785.99 and 2,266.83

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Solution

The fourth proportional to 5,190.12, 7,785.99 and 2,266.83 is: 3,400.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.12 : 7,785.99 = 2,266.83 : x
  2. Step 2: Convert to fraction form
    5,190.12/7,785.99 = 2,266.83/x
  3. Step 3: Cross multiply
    5,190.12x = 7,785.99 × 2,266.83
  4. Step 4: Simplify right side
    5,190.12x = 17,649,515.71
  5. Step 5: Solve for x
    x = 17,649,515.71/5,190.12
  6. Step 6: Final answer
    x = 3,400.60

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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.