Home / 5,364.10-8,047.35-2,076.90

Finding the Fourth Proportional to 5,364.10, 8,047.35 and 2,076.90

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Solution

The fourth proportional to 5,364.10, 8,047.35 and 2,076.90 is: 3,115.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,364.10 : 8,047.35 = 2,076.90 : x
  2. Step 2: Convert to fraction form
    5,364.10/8,047.35 = 2,076.90/x
  3. Step 3: Cross multiply
    5,364.10x = 8,047.35 × 2,076.90
  4. Step 4: Simplify right side
    5,364.10x = 16,713,541.22
  5. Step 5: Solve for x
    x = 16,713,541.22/5,364.10
  6. Step 6: Final answer
    x = 3,115.81

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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.