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Finding the Fourth Proportional to 6,381.81, 8,804.39 and 4,707.25

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Solution

The fourth proportional to 6,381.81, 8,804.39 and 4,707.25 is: 6,494.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,381.81 : 8,804.39 = 4,707.25 : x
  2. Step 2: Convert to fraction form
    6,381.81/8,804.39 = 4,707.25/x
  3. Step 3: Cross multiply
    6,381.81x = 8,804.39 × 4,707.25
  4. Step 4: Simplify right side
    6,381.81x = 41,444,419.28
  5. Step 5: Solve for x
    x = 41,444,419.28/6,381.81
  6. Step 6: Final answer
    x = 6,494.15

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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.