Home / 5,113.37-7,668.43-1,649.81

Finding the Fourth Proportional to 5,113.37, 7,668.43 and 1,649.81

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Solution

The fourth proportional to 5,113.37, 7,668.43 and 1,649.81 is: 2,474.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.37 : 7,668.43 = 1,649.81 : x
  2. Step 2: Convert to fraction form
    5,113.37/7,668.43 = 1,649.81/x
  3. Step 3: Cross multiply
    5,113.37x = 7,668.43 × 1,649.81
  4. Step 4: Simplify right side
    5,113.37x = 12,651,467.54
  5. Step 5: Solve for x
    x = 12,651,467.54/5,113.37
  6. Step 6: Final answer
    x = 2,474.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.