Home / 5,289.51-7,295.90-3,889.83

Finding the Fourth Proportional to 5,289.51, 7,295.90 and 3,889.83

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Solution

The fourth proportional to 5,289.51, 7,295.90 and 3,889.83 is: 5,365.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.51 : 7,295.90 = 3,889.83 : x
  2. Step 2: Convert to fraction form
    5,289.51/7,295.90 = 3,889.83/x
  3. Step 3: Cross multiply
    5,289.51x = 7,295.90 × 3,889.83
  4. Step 4: Simplify right side
    5,289.51x = 28,379,791.25
  5. Step 5: Solve for x
    x = 28,379,791.25/5,289.51
  6. Step 6: Final answer
    x = 5,365.30

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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.