Home / 4,391.63-6,580.13-3,090.37

Finding the Fourth Proportional to 4,391.63, 6,580.13 and 3,090.37

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Solution

The fourth proportional to 4,391.63, 6,580.13 and 3,090.37 is: 4,630.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,391.63 : 6,580.13 = 3,090.37 : x
  2. Step 2: Convert to fraction form
    4,391.63/6,580.13 = 3,090.37/x
  3. Step 3: Cross multiply
    4,391.63x = 6,580.13 × 3,090.37
  4. Step 4: Simplify right side
    4,391.63x = 20,335,003.45
  5. Step 5: Solve for x
    x = 20,335,003.45/4,391.63
  6. Step 6: Final answer
    x = 4,630.40

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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.