Home / 5,619.24-8,421.57-2,494.80

Finding the Fourth Proportional to 5,619.24, 8,421.57 and 2,494.80

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Solution

The fourth proportional to 5,619.24, 8,421.57 and 2,494.80 is: 3,738.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.24 : 8,421.57 = 2,494.80 : x
  2. Step 2: Convert to fraction form
    5,619.24/8,421.57 = 2,494.80/x
  3. Step 3: Cross multiply
    5,619.24x = 8,421.57 × 2,494.80
  4. Step 4: Simplify right side
    5,619.24x = 21,010,132.84
  5. Step 5: Solve for x
    x = 21,010,132.84/5,619.24
  6. Step 6: Final answer
    x = 3,738.96

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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.