Home / 4,668.14-6,440.75-2,678.60

Finding the Fourth Proportional to 4,668.14, 6,440.75 and 2,678.60

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Solution

The fourth proportional to 4,668.14, 6,440.75 and 2,678.60 is: 3,695.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,668.14 : 6,440.75 = 2,678.60 : x
  2. Step 2: Convert to fraction form
    4,668.14/6,440.75 = 2,678.60/x
  3. Step 3: Cross multiply
    4,668.14x = 6,440.75 × 2,678.60
  4. Step 4: Simplify right side
    4,668.14x = 17,252,192.95
  5. Step 5: Solve for x
    x = 17,252,192.95/4,668.14
  6. Step 6: Final answer
    x = 3,695.73

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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.