Home / 6,320.20-9,481.40-2,620.40

Finding the Fourth Proportional to 6,320.20, 9,481.40 and 2,620.40

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Solution

The fourth proportional to 6,320.20, 9,481.40 and 2,620.40 is: 3,931.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320.20 : 9,481.40 = 2,620.40 : x
  2. Step 2: Convert to fraction form
    6,320.20/9,481.40 = 2,620.40/x
  3. Step 3: Cross multiply
    6,320.20x = 9,481.40 × 2,620.40
  4. Step 4: Simplify right side
    6,320.20x = 24,845,060.56
  5. Step 5: Solve for x
    x = 24,845,060.56/6,320.20
  6. Step 6: Final answer
    x = 3,931.06

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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.