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Finding the Fourth Proportional to 6,378.00, 8,805.94 and 5,703.72

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Solution

The fourth proportional to 6,378.00, 8,805.94 and 5,703.72 is: 7,874.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378.00 : 8,805.94 = 5,703.72 : x
  2. Step 2: Convert to fraction form
    6,378.00/8,805.94 = 5,703.72/x
  3. Step 3: Cross multiply
    6,378.00x = 8,805.94 × 5,703.72
  4. Step 4: Simplify right side
    6,378.00x = 50,226,579.51
  5. Step 5: Solve for x
    x = 50,226,579.51/6,378.00
  6. Step 6: Final answer
    x = 7,874.97

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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.