Home / 6,420.93-9,631.44-2,038.41

Finding the Fourth Proportional to 6,420.93, 9,631.44 and 2,038.41

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Solution

The fourth proportional to 6,420.93, 9,631.44 and 2,038.41 is: 3,057.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,420.93 : 9,631.44 = 2,038.41 : x
  2. Step 2: Convert to fraction form
    6,420.93/9,631.44 = 2,038.41/x
  3. Step 3: Cross multiply
    6,420.93x = 9,631.44 × 2,038.41
  4. Step 4: Simplify right side
    6,420.93x = 19,632,823.61
  5. Step 5: Solve for x
    x = 19,632,823.61/6,420.93
  6. Step 6: Final answer
    x = 3,057.63

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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.