Home / 6,420.26-9,631.91-2,037.76

Finding the Fourth Proportional to 6,420.26, 9,631.91 and 2,037.76

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Solution

The fourth proportional to 6,420.26, 9,631.91 and 2,037.76 is: 3,057.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,420.26 : 9,631.91 = 2,037.76 : x
  2. Step 2: Convert to fraction form
    6,420.26/9,631.91 = 2,037.76/x
  3. Step 3: Cross multiply
    6,420.26x = 9,631.91 × 2,037.76
  4. Step 4: Simplify right side
    6,420.26x = 19,627,501.94
  5. Step 5: Solve for x
    x = 19,627,501.94/6,420.26
  6. Step 6: Final answer
    x = 3,057.12

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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.