Home / 10,640.94-15,964.75-4,403.89

Finding the Fourth Proportional to 10,640.94, 15,964.75 and 4,403.89

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Solution

The fourth proportional to 10,640.94, 15,964.75 and 4,403.89 is: 6,607.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,640.94 : 15,964.75 = 4,403.89 : x
  2. Step 2: Convert to fraction form
    10,640.94/15,964.75 = 4,403.89/x
  3. Step 3: Cross multiply
    10,640.94x = 15,964.75 × 4,403.89
  4. Step 4: Simplify right side
    10,640.94x = 70,307,028.34
  5. Step 5: Solve for x
    x = 70,307,028.34/10,640.94
  6. Step 6: Final answer
    x = 6,607.22

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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.