Home / 4,668.36-6,440.96-2,778.99

Finding the Fourth Proportional to 4,668.36, 6,440.96 and 2,778.99

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Solution

The fourth proportional to 4,668.36, 6,440.96 and 2,778.99 is: 3,834.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,668.36 : 6,440.96 = 2,778.99 : x
  2. Step 2: Convert to fraction form
    4,668.36/6,440.96 = 2,778.99/x
  3. Step 3: Cross multiply
    4,668.36x = 6,440.96 × 2,778.99
  4. Step 4: Simplify right side
    4,668.36x = 17,899,349.54
  5. Step 5: Solve for x
    x = 17,899,349.54/4,668.36
  6. Step 6: Final answer
    x = 3,834.18

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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.