Home / 6,469.26-9,703.89-2,086.72

Finding the Fourth Proportional to 6,469.26, 9,703.89 and 2,086.72

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Solution

The fourth proportional to 6,469.26, 9,703.89 and 2,086.72 is: 3,130.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,469.26 : 9,703.89 = 2,086.72 : x
  2. Step 2: Convert to fraction form
    6,469.26/9,703.89 = 2,086.72/x
  3. Step 3: Cross multiply
    6,469.26x = 9,703.89 × 2,086.72
  4. Step 4: Simplify right side
    6,469.26x = 20,249,318.28
  5. Step 5: Solve for x
    x = 20,249,318.28/6,469.26
  6. Step 6: Final answer
    x = 3,130.08

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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.