Home / 6,968.16-10,452.24-3,888

Finding the Fourth Proportional to 6,968.16, 10,452.24 and 3,888

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Solution

The fourth proportional to 6,968.16, 10,452.24 and 3,888 is: 5,832

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,968.16 : 10,452.24 = 3,888 : x
  2. Step 2: Convert to fraction form
    6,968.16/10,452.24 = 3,888/x
  3. Step 3: Cross multiply
    6,968.16x = 10,452.24 × 3,888
  4. Step 4: Simplify right side
    6,968.16x = 40,638,309.12
  5. Step 5: Solve for x
    x = 40,638,309.12/6,968.16
  6. Step 6: Final answer
    x = 5,832

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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.