Home / 4,668.82-6,442.70-2,679.19

Finding the Fourth Proportional to 4,668.82, 6,442.70 and 2,679.19

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Solution

The fourth proportional to 4,668.82, 6,442.70 and 2,679.19 is: 3,697.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,668.82 : 6,442.70 = 2,679.19 : x
  2. Step 2: Convert to fraction form
    4,668.82/6,442.70 = 2,679.19/x
  3. Step 3: Cross multiply
    4,668.82x = 6,442.70 × 2,679.19
  4. Step 4: Simplify right side
    4,668.82x = 17,261,217.41
  5. Step 5: Solve for x
    x = 17,261,217.41/4,668.82
  6. Step 6: Final answer
    x = 3,697.13

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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.