Home / 6,523.20-9,789.60-2,630.40

Finding the Fourth Proportional to 6,523.20, 9,789.60 and 2,630.40

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Solution

The fourth proportional to 6,523.20, 9,789.60 and 2,630.40 is: 3,947.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,523.20 : 9,789.60 = 2,630.40 : x
  2. Step 2: Convert to fraction form
    6,523.20/9,789.60 = 2,630.40/x
  3. Step 3: Cross multiply
    6,523.20x = 9,789.60 × 2,630.40
  4. Step 4: Simplify right side
    6,523.20x = 25,750,563.84
  5. Step 5: Solve for x
    x = 25,750,563.84/6,523.20
  6. Step 6: Final answer
    x = 3,947.54

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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.