Home / 6,769.90-10,158.10-2,389.42

Finding the Fourth Proportional to 6,769.90, 10,158.10 and 2,389.42

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Solution

The fourth proportional to 6,769.90, 10,158.10 and 2,389.42 is: 3,585.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,769.90 : 10,158.10 = 2,389.42 : x
  2. Step 2: Convert to fraction form
    6,769.90/10,158.10 = 2,389.42/x
  3. Step 3: Cross multiply
    6,769.90x = 10,158.10 × 2,389.42
  4. Step 4: Simplify right side
    6,769.90x = 24,271,967.30
  5. Step 5: Solve for x
    x = 24,271,967.30/6,769.90
  6. Step 6: Final answer
    x = 3,585.28

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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.