Home / 6,938.26-9,579.81-4,289.30

Finding the Fourth Proportional to 6,938.26, 9,579.81 and 4,289.30

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Solution

The fourth proportional to 6,938.26, 9,579.81 and 4,289.30 is: 5,922.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938.26 : 9,579.81 = 4,289.30 : x
  2. Step 2: Convert to fraction form
    6,938.26/9,579.81 = 4,289.30/x
  3. Step 3: Cross multiply
    6,938.26x = 9,579.81 × 4,289.30
  4. Step 4: Simplify right side
    6,938.26x = 41,090,679.03
  5. Step 5: Solve for x
    x = 41,090,679.03/6,938.26
  6. Step 6: Final answer
    x = 5,922.33

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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.