Home / 6,507.10-9,757.05-2,122.30

Finding the Fourth Proportional to 6,507.10, 9,757.05 and 2,122.30

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Solution

The fourth proportional to 6,507.10, 9,757.05 and 2,122.30 is: 3,182.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,507.10 : 9,757.05 = 2,122.30 : x
  2. Step 2: Convert to fraction form
    6,507.10/9,757.05 = 2,122.30/x
  3. Step 3: Cross multiply
    6,507.10x = 9,757.05 × 2,122.30
  4. Step 4: Simplify right side
    6,507.10x = 20,707,387.22
  5. Step 5: Solve for x
    x = 20,707,387.22/6,507.10
  6. Step 6: Final answer
    x = 3,182.28

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1.5x scale

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.