Home / 6,693.78-9,237.57-3,898.26

Finding the Fourth Proportional to 6,693.78, 9,237.57 and 3,898.26

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Solution

The fourth proportional to 6,693.78, 9,237.57 and 3,898.26 is: 5,379.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,693.78 : 9,237.57 = 3,898.26 : x
  2. Step 2: Convert to fraction form
    6,693.78/9,237.57 = 3,898.26/x
  3. Step 3: Cross multiply
    6,693.78x = 9,237.57 × 3,898.26
  4. Step 4: Simplify right side
    6,693.78x = 36,010,449.63
  5. Step 5: Solve for x
    x = 36,010,449.63/6,693.78
  6. Step 6: Final answer
    x = 5,379.69

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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.