Home / 4,553.28-6,821.68-2,090.16

Finding the Fourth Proportional to 4,553.28, 6,821.68 and 2,090.16

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Solution

The fourth proportional to 4,553.28, 6,821.68 and 2,090.16 is: 3,131.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,553.28 : 6,821.68 = 2,090.16 : x
  2. Step 2: Convert to fraction form
    4,553.28/6,821.68 = 2,090.16/x
  3. Step 3: Cross multiply
    4,553.28x = 6,821.68 × 2,090.16
  4. Step 4: Simplify right side
    4,553.28x = 14,258,402.67
  5. Step 5: Solve for x
    x = 14,258,402.67/4,553.28
  6. Step 6: Final answer
    x = 3,131.46

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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.