Home / 6,439.23-8,887.46-3,645.27

Finding the Fourth Proportional to 6,439.23, 8,887.46 and 3,645.27

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Solution

The fourth proportional to 6,439.23, 8,887.46 and 3,645.27 is: 5,031.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439.23 : 8,887.46 = 3,645.27 : x
  2. Step 2: Convert to fraction form
    6,439.23/8,887.46 = 3,645.27/x
  3. Step 3: Cross multiply
    6,439.23x = 8,887.46 × 3,645.27
  4. Step 4: Simplify right side
    6,439.23x = 32,397,173.09
  5. Step 5: Solve for x
    x = 32,397,173.09/6,439.23
  6. Step 6: Final answer
    x = 5,031.22

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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.