Home / 4,391.40-6,579.80-3,090.14

Finding the Fourth Proportional to 4,391.40, 6,579.80 and 3,090.14

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Solution

The fourth proportional to 4,391.40, 6,579.80 and 3,090.14 is: 4,630.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,391.40 : 6,579.80 = 3,090.14 : x
  2. Step 2: Convert to fraction form
    4,391.40/6,579.80 = 3,090.14/x
  3. Step 3: Cross multiply
    4,391.40x = 6,579.80 × 3,090.14
  4. Step 4: Simplify right side
    4,391.40x = 20,332,503.17
  5. Step 5: Solve for x
    x = 20,332,503.17/4,391.40
  6. Step 6: Final answer
    x = 4,630.07

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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.