Home / 6,430.73-9,644.63-3,097.28

Finding the Fourth Proportional to 6,430.73, 9,644.63 and 3,097.28

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Solution

The fourth proportional to 6,430.73, 9,644.63 and 3,097.28 is: 4,645.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430.73 : 9,644.63 = 3,097.28 : x
  2. Step 2: Convert to fraction form
    6,430.73/9,644.63 = 3,097.28/x
  3. Step 3: Cross multiply
    6,430.73x = 9,644.63 × 3,097.28
  4. Step 4: Simplify right side
    6,430.73x = 29,872,071.38
  5. Step 5: Solve for x
    x = 29,872,071.38/6,430.73
  6. Step 6: Final answer
    x = 4,645.21

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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.