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Finding the Fourth Proportional to 6,387.93, 8,819.01 and 4,266.41

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Solution

The fourth proportional to 6,387.93, 8,819.01 and 4,266.41 is: 5,890.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387.93 : 8,819.01 = 4,266.41 : x
  2. Step 2: Convert to fraction form
    6,387.93/8,819.01 = 4,266.41/x
  3. Step 3: Cross multiply
    6,387.93x = 8,819.01 × 4,266.41
  4. Step 4: Simplify right side
    6,387.93x = 37,625,468.36
  5. Step 5: Solve for x
    x = 37,625,468.36/6,387.93
  6. Step 6: Final answer
    x = 5,890.09

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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.