Home / 6,378.22-8,801.89-3,545.58

Finding the Fourth Proportional to 6,378.22, 8,801.89 and 3,545.58

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Solution

The fourth proportional to 6,378.22, 8,801.89 and 3,545.58 is: 4,892.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378.22 : 8,801.89 = 3,545.58 : x
  2. Step 2: Convert to fraction form
    6,378.22/8,801.89 = 3,545.58/x
  3. Step 3: Cross multiply
    6,378.22x = 8,801.89 × 3,545.58
  4. Step 4: Simplify right side
    6,378.22x = 31,207,796.28
  5. Step 5: Solve for x
    x = 31,207,796.28/6,378.22
  6. Step 6: Final answer
    x = 4,892.87

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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.