Home / 6,918.26-9,539.69-4,928.09

Finding the Fourth Proportional to 6,918.26, 9,539.69 and 4,928.09

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Solution

The fourth proportional to 6,918.26, 9,539.69 and 4,928.09 is: 6,795.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.26 : 9,539.69 = 4,928.09 : x
  2. Step 2: Convert to fraction form
    6,918.26/9,539.69 = 4,928.09/x
  3. Step 3: Cross multiply
    6,918.26x = 9,539.69 × 4,928.09
  4. Step 4: Simplify right side
    6,918.26x = 47,012,378.55
  5. Step 5: Solve for x
    x = 47,012,378.55/6,918.26
  6. Step 6: Final answer
    x = 6,795.41

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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.