Home / 5,222.90-7,829.96-2,448.11

Finding the Fourth Proportional to 5,222.90, 7,829.96 and 2,448.11

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Solution

The fourth proportional to 5,222.90, 7,829.96 and 2,448.11 is: 3,670.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.90 : 7,829.96 = 2,448.11 : x
  2. Step 2: Convert to fraction form
    5,222.90/7,829.96 = 2,448.11/x
  3. Step 3: Cross multiply
    5,222.90x = 7,829.96 × 2,448.11
  4. Step 4: Simplify right side
    5,222.90x = 19,168,603.38
  5. Step 5: Solve for x
    x = 19,168,603.38/5,222.90
  6. Step 6: Final answer
    x = 3,670.11

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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.