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Finding the Fourth Proportional to 6,378.27, 8,799.51 and 4,703.64

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Solution

The fourth proportional to 6,378.27, 8,799.51 and 4,703.64 is: 6,489.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378.27 : 8,799.51 = 4,703.64 : x
  2. Step 2: Convert to fraction form
    6,378.27/8,799.51 = 4,703.64/x
  3. Step 3: Cross multiply
    6,378.27x = 8,799.51 × 4,703.64
  4. Step 4: Simplify right side
    6,378.27x = 41,389,727.22
  5. Step 5: Solve for x
    x = 41,389,727.22/6,378.27
  6. Step 6: Final answer
    x = 6,489.18

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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.