Home / 6,821.02-10,171.28-5,991.48

Finding the Fourth Proportional to 6,821.02, 10,171.28 and 5,991.48

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Solution

The fourth proportional to 6,821.02, 10,171.28 and 5,991.48 is: 8,934.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821.02 : 10,171.28 = 5,991.48 : x
  2. Step 2: Convert to fraction form
    6,821.02/10,171.28 = 5,991.48/x
  3. Step 3: Cross multiply
    6,821.02x = 10,171.28 × 5,991.48
  4. Step 4: Simplify right side
    6,821.02x = 60,940,969.84
  5. Step 5: Solve for x
    x = 60,940,969.84/6,821.02
  6. Step 6: Final answer
    x = 8,934.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.