Home / 4,661.81-6,433.27-2,645.22

Finding the Fourth Proportional to 4,661.81, 6,433.27 and 2,645.22

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Solution

The fourth proportional to 4,661.81, 6,433.27 and 2,645.22 is: 3,650.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,661.81 : 6,433.27 = 2,645.22 : x
  2. Step 2: Convert to fraction form
    4,661.81/6,433.27 = 2,645.22/x
  3. Step 3: Cross multiply
    4,661.81x = 6,433.27 × 2,645.22
  4. Step 4: Simplify right side
    4,661.81x = 17,017,414.47
  5. Step 5: Solve for x
    x = 17,017,414.47/4,661.81
  6. Step 6: Final answer
    x = 3,650.39

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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.