Home / 4,480.72-6,183.65-2,491.47

Finding the Fourth Proportional to 4,480.72, 6,183.65 and 2,491.47

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Solution

The fourth proportional to 4,480.72, 6,183.65 and 2,491.47 is: 3,438.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.72 : 6,183.65 = 2,491.47 : x
  2. Step 2: Convert to fraction form
    4,480.72/6,183.65 = 2,491.47/x
  3. Step 3: Cross multiply
    4,480.72x = 6,183.65 × 2,491.47
  4. Step 4: Simplify right side
    4,480.72x = 15,406,378.47
  5. Step 5: Solve for x
    x = 15,406,378.47/4,480.72
  6. Step 6: Final answer
    x = 3,438.37

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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.