Home / 4,839.31-7,261.40-3,609.19

Finding the Fourth Proportional to 4,839.31, 7,261.40 and 3,609.19

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Solution

The fourth proportional to 4,839.31, 7,261.40 and 3,609.19 is: 5,415.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839.31 : 7,261.40 = 3,609.19 : x
  2. Step 2: Convert to fraction form
    4,839.31/7,261.40 = 3,609.19/x
  3. Step 3: Cross multiply
    4,839.31x = 7,261.40 × 3,609.19
  4. Step 4: Simplify right side
    4,839.31x = 26,207,772.27
  5. Step 5: Solve for x
    x = 26,207,772.27/4,839.31
  6. Step 6: Final answer
    x = 5,415.60

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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.