Home / 6,421.70-9,622.62-4,333.52

Finding the Fourth Proportional to 6,421.70, 9,622.62 and 4,333.52

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Solution

The fourth proportional to 6,421.70, 9,622.62 and 4,333.52 is: 6,493.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421.70 : 9,622.62 = 4,333.52 : x
  2. Step 2: Convert to fraction form
    6,421.70/9,622.62 = 4,333.52/x
  3. Step 3: Cross multiply
    6,421.70x = 9,622.62 × 4,333.52
  4. Step 4: Simplify right side
    6,421.70x = 41,699,768.11
  5. Step 5: Solve for x
    x = 41,699,768.11/6,421.70
  6. Step 6: Final answer
    x = 6,493.58

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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.