Home / 6,189.60-9,284.40-2,293.20

Finding the Fourth Proportional to 6,189.60, 9,284.40 and 2,293.20

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Solution

The fourth proportional to 6,189.60, 9,284.40 and 2,293.20 is: 3,439.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,189.60 : 9,284.40 = 2,293.20 : x
  2. Step 2: Convert to fraction form
    6,189.60/9,284.40 = 2,293.20/x
  3. Step 3: Cross multiply
    6,189.60x = 9,284.40 × 2,293.20
  4. Step 4: Simplify right side
    6,189.60x = 21,290,986.08
  5. Step 5: Solve for x
    x = 21,290,986.08/6,189.60
  6. Step 6: Final answer
    x = 3,439.80

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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.