Home / 5,448.24-7,518.22-3,209.68

Finding the Fourth Proportional to 5,448.24, 7,518.22 and 3,209.68

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Solution

The fourth proportional to 5,448.24, 7,518.22 and 3,209.68 is: 4,429.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.24 : 7,518.22 = 3,209.68 : x
  2. Step 2: Convert to fraction form
    5,448.24/7,518.22 = 3,209.68/x
  3. Step 3: Cross multiply
    5,448.24x = 7,518.22 × 3,209.68
  4. Step 4: Simplify right side
    5,448.24x = 24,131,081.74
  5. Step 5: Solve for x
    x = 24,131,081.74/5,448.24
  6. Step 6: Final answer
    x = 4,429.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.