Home / 4,661.25-6,430.94-3,166.56

Finding the Fourth Proportional to 4,661.25, 6,430.94 and 3,166.56

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Solution

The fourth proportional to 4,661.25, 6,430.94 and 3,166.56 is: 4,368.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,661.25 : 6,430.94 = 3,166.56 : x
  2. Step 2: Convert to fraction form
    4,661.25/6,430.94 = 3,166.56/x
  3. Step 3: Cross multiply
    4,661.25x = 6,430.94 × 3,166.56
  4. Step 4: Simplify right side
    4,661.25x = 20,363,971.22
  5. Step 5: Solve for x
    x = 20,363,971.22/4,661.25
  6. Step 6: Final answer
    x = 4,368.78

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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.