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Finding the Fourth Proportional to 6,377.99, 8,801.75 and 3,545.60

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Solution

The fourth proportional to 6,377.99, 8,801.75 and 3,545.60 is: 4,892.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,377.99 : 8,801.75 = 3,545.60 : x
  2. Step 2: Convert to fraction form
    6,377.99/8,801.75 = 3,545.60/x
  3. Step 3: Cross multiply
    6,377.99x = 8,801.75 × 3,545.60
  4. Step 4: Simplify right side
    6,377.99x = 31,207,467.07
  5. Step 5: Solve for x
    x = 31,207,467.07/6,377.99
  6. Step 6: Final answer
    x = 4,892.99

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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.