Home / 6,968.20-9,615.47-4,135.08

Finding the Fourth Proportional to 6,968.20, 9,615.47 and 4,135.08

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Solution

The fourth proportional to 6,968.20, 9,615.47 and 4,135.08 is: 5,706.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,968.20 : 9,615.47 = 4,135.08 : x
  2. Step 2: Convert to fraction form
    6,968.20/9,615.47 = 4,135.08/x
  3. Step 3: Cross multiply
    6,968.20x = 9,615.47 × 4,135.08
  4. Step 4: Simplify right side
    6,968.20x = 39,760,764.70
  5. Step 5: Solve for x
    x = 39,760,764.70/6,968.20
  6. Step 6: Final answer
    x = 5,706.03

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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.