Home / 4,223.10-6,334.65-3,190.35

Finding the Fourth Proportional to 4,223.10, 6,334.65 and 3,190.35

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Solution

The fourth proportional to 4,223.10, 6,334.65 and 3,190.35 is: 4,785.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,223.10 : 6,334.65 = 3,190.35 : x
  2. Step 2: Convert to fraction form
    4,223.10/6,334.65 = 3,190.35/x
  3. Step 3: Cross multiply
    4,223.10x = 6,334.65 × 3,190.35
  4. Step 4: Simplify right side
    4,223.10x = 20,209,750.63
  5. Step 5: Solve for x
    x = 20,209,750.63/4,223.10
  6. Step 6: Final answer
    x = 4,785.53

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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.