Home / 6,520.41-9,783.36-2,820.75

Finding the Fourth Proportional to 6,520.41, 9,783.36 and 2,820.75

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Solution

The fourth proportional to 6,520.41, 9,783.36 and 2,820.75 is: 4,232.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520.41 : 9,783.36 = 2,820.75 : x
  2. Step 2: Convert to fraction form
    6,520.41/9,783.36 = 2,820.75/x
  3. Step 3: Cross multiply
    6,520.41x = 9,783.36 × 2,820.75
  4. Step 4: Simplify right side
    6,520.41x = 27,596,412.72
  5. Step 5: Solve for x
    x = 27,596,412.72/6,520.41
  6. Step 6: Final answer
    x = 4,232.31

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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.