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Finding the Fourth Proportional to 6,383.59, 8,754.38 and 6,117.49

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Solution

The fourth proportional to 6,383.59, 8,754.38 and 6,117.49 is: 8,389.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,383.59 : 8,754.38 = 6,117.49 : x
  2. Step 2: Convert to fraction form
    6,383.59/8,754.38 = 6,117.49/x
  3. Step 3: Cross multiply
    6,383.59x = 8,754.38 × 6,117.49
  4. Step 4: Simplify right side
    6,383.59x = 53,554,832.11
  5. Step 5: Solve for x
    x = 53,554,832.11/6,383.59
  6. Step 6: Final answer
    x = 8,389.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.