Home / 5,379.19-8,070.59-2,745.55

Finding the Fourth Proportional to 5,379.19, 8,070.59 and 2,745.55

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Solution

The fourth proportional to 5,379.19, 8,070.59 and 2,745.55 is: 4,119.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379.19 : 8,070.59 = 2,745.55 : x
  2. Step 2: Convert to fraction form
    5,379.19/8,070.59 = 2,745.55/x
  3. Step 3: Cross multiply
    5,379.19x = 8,070.59 × 2,745.55
  4. Step 4: Simplify right side
    5,379.19x = 22,158,208.37
  5. Step 5: Solve for x
    x = 22,158,208.37/5,379.19
  6. Step 6: Final answer
    x = 4,119.25

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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.