Home / 6,328.77-8,734.39-3,812.36

Finding the Fourth Proportional to 6,328.77, 8,734.39 and 3,812.36

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Solution

The fourth proportional to 6,328.77, 8,734.39 and 3,812.36 is: 5,261.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,328.77 : 8,734.39 = 3,812.36 : x
  2. Step 2: Convert to fraction form
    6,328.77/8,734.39 = 3,812.36/x
  3. Step 3: Cross multiply
    6,328.77x = 8,734.39 × 3,812.36
  4. Step 4: Simplify right side
    6,328.77x = 33,298,585.86
  5. Step 5: Solve for x
    x = 33,298,585.86/6,328.77
  6. Step 6: Final answer
    x = 5,261.47

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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.