Home / 3,968.89-5,464.60-3,370.13

Finding the Fourth Proportional to 3,968.89, 5,464.60 and 3,370.13

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Solution

The fourth proportional to 3,968.89, 5,464.60 and 3,370.13 is: 4,640.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.89 : 5,464.60 = 3,370.13 : x
  2. Step 2: Convert to fraction form
    3,968.89/5,464.60 = 3,370.13/x
  3. Step 3: Cross multiply
    3,968.89x = 5,464.60 × 3,370.13
  4. Step 4: Simplify right side
    3,968.89x = 18,416,417.63
  5. Step 5: Solve for x
    x = 18,416,417.63/3,968.89
  6. Step 6: Final answer
    x = 4,640.20

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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.