Home / 6,439.37-8,883.20-4,200.23

Finding the Fourth Proportional to 6,439.37, 8,883.20 and 4,200.23

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Solution

The fourth proportional to 6,439.37, 8,883.20 and 4,200.23 is: 5,794.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439.37 : 8,883.20 = 4,200.23 : x
  2. Step 2: Convert to fraction form
    6,439.37/8,883.20 = 4,200.23/x
  3. Step 3: Cross multiply
    6,439.37x = 8,883.20 × 4,200.23
  4. Step 4: Simplify right side
    6,439.37x = 37,311,462.13
  5. Step 5: Solve for x
    x = 37,311,462.13/6,439.37
  6. Step 6: Final answer
    x = 5,794.27

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Half scale
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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.