Home / 5,455.72-8,187.69-4,373.15

Finding the Fourth Proportional to 5,455.72, 8,187.69 and 4,373.15

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Solution

The fourth proportional to 5,455.72, 8,187.69 and 4,373.15 is: 6,563.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.72 : 8,187.69 = 4,373.15 : x
  2. Step 2: Convert to fraction form
    5,455.72/8,187.69 = 4,373.15/x
  3. Step 3: Cross multiply
    5,455.72x = 8,187.69 × 4,373.15
  4. Step 4: Simplify right side
    5,455.72x = 35,805,996.52
  5. Step 5: Solve for x
    x = 35,805,996.52/5,455.72
  6. Step 6: Final answer
    x = 6,563.03

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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.