Home / 6,899.11-10,347.10-1,968.64

Finding the Fourth Proportional to 6,899.11, 10,347.10 and 1,968.64

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Solution

The fourth proportional to 6,899.11, 10,347.10 and 1,968.64 is: 2,952.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899.11 : 10,347.10 = 1,968.64 : x
  2. Step 2: Convert to fraction form
    6,899.11/10,347.10 = 1,968.64/x
  3. Step 3: Cross multiply
    6,899.11x = 10,347.10 × 1,968.64
  4. Step 4: Simplify right side
    6,899.11x = 20,369,714.94
  5. Step 5: Solve for x
    x = 20,369,714.94/6,899.11
  6. Step 6: Final answer
    x = 2,952.51

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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.