Home / 5,220.98-7,829.16-3,754

Finding the Fourth Proportional to 5,220.98, 7,829.16 and 3,754

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Solution

The fourth proportional to 5,220.98, 7,829.16 and 3,754 is: 5,629.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.98 : 7,829.16 = 3,754 : x
  2. Step 2: Convert to fraction form
    5,220.98/7,829.16 = 3,754/x
  3. Step 3: Cross multiply
    5,220.98x = 7,829.16 × 3,754
  4. Step 4: Simplify right side
    5,220.98x = 29,390,666.64
  5. Step 5: Solve for x
    x = 29,390,666.64/5,220.98
  6. Step 6: Final answer
    x = 5,629.34

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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.