Home / 5,373.10-8,055.60-3,421.54

Finding the Fourth Proportional to 5,373.10, 8,055.60 and 3,421.54

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Solution

The fourth proportional to 5,373.10, 8,055.60 and 3,421.54 is: 5,129.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,373.10 : 8,055.60 = 3,421.54 : x
  2. Step 2: Convert to fraction form
    5,373.10/8,055.60 = 3,421.54/x
  3. Step 3: Cross multiply
    5,373.10x = 8,055.60 × 3,421.54
  4. Step 4: Simplify right side
    5,373.10x = 27,562,557.62
  5. Step 5: Solve for x
    x = 27,562,557.62/5,373.10
  6. Step 6: Final answer
    x = 5,129.73

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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.