Home / 8,727.02-13,090.44-2,153.28

Finding the Fourth Proportional to 8,727.02, 13,090.44 and 2,153.28

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Solution

The fourth proportional to 8,727.02, 13,090.44 and 2,153.28 is: 3,229.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,727.02 : 13,090.44 = 2,153.28 : x
  2. Step 2: Convert to fraction form
    8,727.02/13,090.44 = 2,153.28/x
  3. Step 3: Cross multiply
    8,727.02x = 13,090.44 × 2,153.28
  4. Step 4: Simplify right side
    8,727.02x = 28,187,382.64
  5. Step 5: Solve for x
    x = 28,187,382.64/8,727.02
  6. Step 6: Final answer
    x = 3,229.90

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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.