Home / 6,206.20-9,308.40-1,823.20

Finding the Fourth Proportional to 6,206.20, 9,308.40 and 1,823.20

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Solution

The fourth proportional to 6,206.20, 9,308.40 and 1,823.20 is: 2,734.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,206.20 : 9,308.40 = 1,823.20 : x
  2. Step 2: Convert to fraction form
    6,206.20/9,308.40 = 1,823.20/x
  3. Step 3: Cross multiply
    6,206.20x = 9,308.40 × 1,823.20
  4. Step 4: Simplify right side
    6,206.20x = 16,971,074.88
  5. Step 5: Solve for x
    x = 16,971,074.88/6,206.20
  6. Step 6: Final answer
    x = 2,734.54

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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.