Home / 6,757.26-9,331.44-6,389.10

Finding the Fourth Proportional to 6,757.26, 9,331.44 and 6,389.10

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Solution

The fourth proportional to 6,757.26, 9,331.44 and 6,389.10 is: 8,823.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,757.26 : 9,331.44 = 6,389.10 : x
  2. Step 2: Convert to fraction form
    6,757.26/9,331.44 = 6,389.10/x
  3. Step 3: Cross multiply
    6,757.26x = 9,331.44 × 6,389.10
  4. Step 4: Simplify right side
    6,757.26x = 59,619,503.30
  5. Step 5: Solve for x
    x = 59,619,503.30/6,757.26
  6. Step 6: Final answer
    x = 8,823.03

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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.