Home / 6,300.78-9,436.80-3,016.20

Finding the Fourth Proportional to 6,300.78, 9,436.80 and 3,016.20

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Solution

The fourth proportional to 6,300.78, 9,436.80 and 3,016.20 is: 4,517.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,300.78 : 9,436.80 = 3,016.20 : x
  2. Step 2: Convert to fraction form
    6,300.78/9,436.80 = 3,016.20/x
  3. Step 3: Cross multiply
    6,300.78x = 9,436.80 × 3,016.20
  4. Step 4: Simplify right side
    6,300.78x = 28,463,276.16
  5. Step 5: Solve for x
    x = 28,463,276.16/6,300.78
  6. Step 6: Final answer
    x = 4,517.42

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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.