Home / 5,392.84-8,090.48-2,106.87

Finding the Fourth Proportional to 5,392.84, 8,090.48 and 2,106.87

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Solution

The fourth proportional to 5,392.84, 8,090.48 and 2,106.87 is: 3,160.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,392.84 : 8,090.48 = 2,106.87 : x
  2. Step 2: Convert to fraction form
    5,392.84/8,090.48 = 2,106.87/x
  3. Step 3: Cross multiply
    5,392.84x = 8,090.48 × 2,106.87
  4. Step 4: Simplify right side
    5,392.84x = 17,045,579.06
  5. Step 5: Solve for x
    x = 17,045,579.06/5,392.84
  6. Step 6: Final answer
    x = 3,160.78

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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.