Home / 6,693.43-9,237.59-3,898.75

Finding the Fourth Proportional to 6,693.43, 9,237.59 and 3,898.75

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Solution

The fourth proportional to 6,693.43, 9,237.59 and 3,898.75 is: 5,380.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,693.43 : 9,237.59 = 3,898.75 : x
  2. Step 2: Convert to fraction form
    6,693.43/9,237.59 = 3,898.75/x
  3. Step 3: Cross multiply
    6,693.43x = 9,237.59 × 3,898.75
  4. Step 4: Simplify right side
    6,693.43x = 36,015,054.01
  5. Step 5: Solve for x
    x = 36,015,054.01/6,693.43
  6. Step 6: Final answer
    x = 5,380.66

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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.