Home / 5,292.31-7,938.47-1,829.56

Finding the Fourth Proportional to 5,292.31, 7,938.47 and 1,829.56

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Solution

The fourth proportional to 5,292.31, 7,938.47 and 1,829.56 is: 2,744.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,292.31 : 7,938.47 = 1,829.56 : x
  2. Step 2: Convert to fraction form
    5,292.31/7,938.47 = 1,829.56/x
  3. Step 3: Cross multiply
    5,292.31x = 7,938.47 × 1,829.56
  4. Step 4: Simplify right side
    5,292.31x = 14,523,907.17
  5. Step 5: Solve for x
    x = 14,523,907.17/5,292.31
  6. Step 6: Final answer
    x = 2,744.34

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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.