Home / 7,023.81-9,693.36-3,879.93

Finding the Fourth Proportional to 7,023.81, 9,693.36 and 3,879.93

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Solution

The fourth proportional to 7,023.81, 9,693.36 and 3,879.93 is: 5,354.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,023.81 : 9,693.36 = 3,879.93 : x
  2. Step 2: Convert to fraction form
    7,023.81/9,693.36 = 3,879.93/x
  3. Step 3: Cross multiply
    7,023.81x = 9,693.36 × 3,879.93
  4. Step 4: Simplify right side
    7,023.81x = 37,609,558.26
  5. Step 5: Solve for x
    x = 37,609,558.26/7,023.81
  6. Step 6: Final answer
    x = 5,354.58

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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.