Home / 7,820.96-10,792.92-4,284.29

Finding the Fourth Proportional to 7,820.96, 10,792.92 and 4,284.29

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Solution

The fourth proportional to 7,820.96, 10,792.92 and 4,284.29 is: 5,912.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820.96 : 10,792.92 = 4,284.29 : x
  2. Step 2: Convert to fraction form
    7,820.96/10,792.92 = 4,284.29/x
  3. Step 3: Cross multiply
    7,820.96x = 10,792.92 × 4,284.29
  4. Step 4: Simplify right side
    7,820.96x = 46,239,945.26
  5. Step 5: Solve for x
    x = 46,239,945.26/7,820.96
  6. Step 6: Final answer
    x = 5,912.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.