Home / 4,242.09-6,365.36-3,081.68

Finding the Fourth Proportional to 4,242.09, 6,365.36 and 3,081.68

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Solution

The fourth proportional to 4,242.09, 6,365.36 and 3,081.68 is: 4,624.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,242.09 : 6,365.36 = 3,081.68 : x
  2. Step 2: Convert to fraction form
    4,242.09/6,365.36 = 3,081.68/x
  3. Step 3: Cross multiply
    4,242.09x = 6,365.36 × 3,081.68
  4. Step 4: Simplify right side
    4,242.09x = 19,616,002.60
  5. Step 5: Solve for x
    x = 19,616,002.60/4,242.09
  6. Step 6: Final answer
    x = 4,624.14

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1.5x scale

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.