Home / 6,664.52-9,971.66-3,986.19

Finding the Fourth Proportional to 6,664.52, 9,971.66 and 3,986.19

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Solution

The fourth proportional to 6,664.52, 9,971.66 and 3,986.19 is: 5,964.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.52 : 9,971.66 = 3,986.19 : x
  2. Step 2: Convert to fraction form
    6,664.52/9,971.66 = 3,986.19/x
  3. Step 3: Cross multiply
    6,664.52x = 9,971.66 × 3,986.19
  4. Step 4: Simplify right side
    6,664.52x = 39,748,911.44
  5. Step 5: Solve for x
    x = 39,748,911.44/6,664.52
  6. Step 6: Final answer
    x = 5,964.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.