Home / 5,028.89-7,539.68-2,430

Finding the Fourth Proportional to 5,028.89, 7,539.68 and 2,430

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Solution

The fourth proportional to 5,028.89, 7,539.68 and 2,430 is: 3,643.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.89 : 7,539.68 = 2,430 : x
  2. Step 2: Convert to fraction form
    5,028.89/7,539.68 = 2,430/x
  3. Step 3: Cross multiply
    5,028.89x = 7,539.68 × 2,430
  4. Step 4: Simplify right side
    5,028.89x = 18,321,428.48
  5. Step 5: Solve for x
    x = 18,321,428.48/5,028.89
  6. Step 6: Final answer
    x = 3,643.24

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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.