Home / 5,479.36-7,559.67-3,119.83

Finding the Fourth Proportional to 5,479.36, 7,559.67 and 3,119.83

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Solution

The fourth proportional to 5,479.36, 7,559.67 and 3,119.83 is: 4,304.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479.36 : 7,559.67 = 3,119.83 : x
  2. Step 2: Convert to fraction form
    5,479.36/7,559.67 = 3,119.83/x
  3. Step 3: Cross multiply
    5,479.36x = 7,559.67 × 3,119.83
  4. Step 4: Simplify right side
    5,479.36x = 23,584,885.26
  5. Step 5: Solve for x
    x = 23,584,885.26/5,479.36
  6. Step 6: Final answer
    x = 4,304.31

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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.