Home / 4,668.14-6,439.95-2,678.30

Finding the Fourth Proportional to 4,668.14, 6,439.95 and 2,678.30

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Solution

The fourth proportional to 4,668.14, 6,439.95 and 2,678.30 is: 3,694.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,668.14 : 6,439.95 = 2,678.30 : x
  2. Step 2: Convert to fraction form
    4,668.14/6,439.95 = 2,678.30/x
  3. Step 3: Cross multiply
    4,668.14x = 6,439.95 × 2,678.30
  4. Step 4: Simplify right side
    4,668.14x = 17,248,118.09
  5. Step 5: Solve for x
    x = 17,248,118.09/4,668.14
  6. Step 6: Final answer
    x = 3,694.86

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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.