Home / 6,783.02-10,166.43-3,857.30

Finding the Fourth Proportional to 6,783.02, 10,166.43 and 3,857.30

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Solution

The fourth proportional to 6,783.02, 10,166.43 and 3,857.30 is: 5,781.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,783.02 : 10,166.43 = 3,857.30 : x
  2. Step 2: Convert to fraction form
    6,783.02/10,166.43 = 3,857.30/x
  3. Step 3: Cross multiply
    6,783.02x = 10,166.43 × 3,857.30
  4. Step 4: Simplify right side
    6,783.02x = 39,214,970.44
  5. Step 5: Solve for x
    x = 39,214,970.44/6,783.02
  6. Step 6: Final answer
    x = 5,781.34

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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.