Home / 5,415.06-7,467.60-3,290.93

Finding the Fourth Proportional to 5,415.06, 7,467.60 and 3,290.93

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Solution

The fourth proportional to 5,415.06, 7,467.60 and 3,290.93 is: 4,538.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.06 : 7,467.60 = 3,290.93 : x
  2. Step 2: Convert to fraction form
    5,415.06/7,467.60 = 3,290.93/x
  3. Step 3: Cross multiply
    5,415.06x = 7,467.60 × 3,290.93
  4. Step 4: Simplify right side
    5,415.06x = 24,575,348.87
  5. Step 5: Solve for x
    x = 24,575,348.87/5,415.06
  6. Step 6: Final answer
    x = 4,538.33

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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.