Home / 6,359.20-9,539.88-1,975.60

Finding the Fourth Proportional to 6,359.20, 9,539.88 and 1,975.60

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Solution

The fourth proportional to 6,359.20, 9,539.88 and 1,975.60 is: 2,963.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,359.20 : 9,539.88 = 1,975.60 : x
  2. Step 2: Convert to fraction form
    6,359.20/9,539.88 = 1,975.60/x
  3. Step 3: Cross multiply
    6,359.20x = 9,539.88 × 1,975.60
  4. Step 4: Simplify right side
    6,359.20x = 18,846,986.93
  5. Step 5: Solve for x
    x = 18,846,986.93/6,359.20
  6. Step 6: Final answer
    x = 2,963.74

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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.