Home / 6,968.16-9,615.36-3,983.94

Finding the Fourth Proportional to 6,968.16, 9,615.36 and 3,983.94

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Solution

The fourth proportional to 6,968.16, 9,615.36 and 3,983.94 is: 5,497.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,968.16 : 9,615.36 = 3,983.94 : x
  2. Step 2: Convert to fraction form
    6,968.16/9,615.36 = 3,983.94/x
  3. Step 3: Cross multiply
    6,968.16x = 9,615.36 × 3,983.94
  4. Step 4: Simplify right side
    6,968.16x = 38,307,017.32
  5. Step 5: Solve for x
    x = 38,307,017.32/6,968.16
  6. Step 6: Final answer
    x = 5,497.44

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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.