Home / 6,618.35-9,133.79-4,376.33

Finding the Fourth Proportional to 6,618.35, 9,133.79 and 4,376.33

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Solution

The fourth proportional to 6,618.35, 9,133.79 and 4,376.33 is: 6,039.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618.35 : 9,133.79 = 4,376.33 : x
  2. Step 2: Convert to fraction form
    6,618.35/9,133.79 = 4,376.33/x
  3. Step 3: Cross multiply
    6,618.35x = 9,133.79 × 4,376.33
  4. Step 4: Simplify right side
    6,618.35x = 39,972,479.19
  5. Step 5: Solve for x
    x = 39,972,479.19/6,618.35
  6. Step 6: Final answer
    x = 6,039.64

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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.