Home / 4,615.20-6,366.33-3,120.48

Finding the Fourth Proportional to 4,615.20, 6,366.33 and 3,120.48

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Solution

The fourth proportional to 4,615.20, 6,366.33 and 3,120.48 is: 4,304.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,615.20 : 6,366.33 = 3,120.48 : x
  2. Step 2: Convert to fraction form
    4,615.20/6,366.33 = 3,120.48/x
  3. Step 3: Cross multiply
    4,615.20x = 6,366.33 × 3,120.48
  4. Step 4: Simplify right side
    4,615.20x = 19,866,005.44
  5. Step 5: Solve for x
    x = 19,866,005.44/4,615.20
  6. Step 6: Final answer
    x = 4,304.47

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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.