Home / 5,292.96-7,940.32-1,829.40

Finding the Fourth Proportional to 5,292.96, 7,940.32 and 1,829.40

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Solution

The fourth proportional to 5,292.96, 7,940.32 and 1,829.40 is: 2,744.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,292.96 : 7,940.32 = 1,829.40 : x
  2. Step 2: Convert to fraction form
    5,292.96/7,940.32 = 1,829.40/x
  3. Step 3: Cross multiply
    5,292.96x = 7,940.32 × 1,829.40
  4. Step 4: Simplify right side
    5,292.96x = 14,526,021.41
  5. Step 5: Solve for x
    x = 14,526,021.41/5,292.96
  6. Step 6: Final answer
    x = 2,744.40

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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.