Home / 6,478.10-9,716.73-2,317.89

Finding the Fourth Proportional to 6,478.10, 9,716.73 and 2,317.89

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Solution

The fourth proportional to 6,478.10, 9,716.73 and 2,317.89 is: 3,476.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,478.10 : 9,716.73 = 2,317.89 : x
  2. Step 2: Convert to fraction form
    6,478.10/9,716.73 = 2,317.89/x
  3. Step 3: Cross multiply
    6,478.10x = 9,716.73 × 2,317.89
  4. Step 4: Simplify right side
    6,478.10x = 22,522,331.27
  5. Step 5: Solve for x
    x = 22,522,331.27/6,478.10
  6. Step 6: Final answer
    x = 3,476.69

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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.