Home / 6,366.20-9,548.40-1,984.10

Finding the Fourth Proportional to 6,366.20, 9,548.40 and 1,984.10

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Solution

The fourth proportional to 6,366.20, 9,548.40 and 1,984.10 is: 2,975.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,366.20 : 9,548.40 = 1,984.10 : x
  2. Step 2: Convert to fraction form
    6,366.20/9,548.40 = 1,984.10/x
  3. Step 3: Cross multiply
    6,366.20x = 9,548.40 × 1,984.10
  4. Step 4: Simplify right side
    6,366.20x = 18,944,980.44
  5. Step 5: Solve for x
    x = 18,944,980.44/6,366.20
  6. Step 6: Final answer
    x = 2,975.87

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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.