Home / 6,309.84-8,707.32-3,792.36

Finding the Fourth Proportional to 6,309.84, 8,707.32 and 3,792.36

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Solution

The fourth proportional to 6,309.84, 8,707.32 and 3,792.36 is: 5,233.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,309.84 : 8,707.32 = 3,792.36 : x
  2. Step 2: Convert to fraction form
    6,309.84/8,707.32 = 3,792.36/x
  3. Step 3: Cross multiply
    6,309.84x = 8,707.32 × 3,792.36
  4. Step 4: Simplify right side
    6,309.84x = 33,021,292.08
  5. Step 5: Solve for x
    x = 33,021,292.08/6,309.84
  6. Step 6: Final answer
    x = 5,233.30

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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.