Home / 6,968.19-9,615.75-4,135.68

Finding the Fourth Proportional to 6,968.19, 9,615.75 and 4,135.68

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Solution

The fourth proportional to 6,968.19, 9,615.75 and 4,135.68 is: 5,707.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,968.19 : 9,615.75 = 4,135.68 : x
  2. Step 2: Convert to fraction form
    6,968.19/9,615.75 = 4,135.68/x
  3. Step 3: Cross multiply
    6,968.19x = 9,615.75 × 4,135.68
  4. Step 4: Simplify right side
    6,968.19x = 39,767,664.96
  5. Step 5: Solve for x
    x = 39,767,664.96/6,968.19
  6. Step 6: Final answer
    x = 5,707.03

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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.