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Finding the Fourth Proportional to 5,775.84, 8,664.66 and 1,879.34

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Solution

The fourth proportional to 5,775.84, 8,664.66 and 1,879.34 is: 2,819.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775.84 : 8,664.66 = 1,879.34 : x
  2. Step 2: Convert to fraction form
    5,775.84/8,664.66 = 1,879.34/x
  3. Step 3: Cross multiply
    5,775.84x = 8,664.66 × 1,879.34
  4. Step 4: Simplify right side
    5,775.84x = 16,283,798.80
  5. Step 5: Solve for x
    x = 16,283,798.80/5,775.84
  6. Step 6: Final answer
    x = 2,819.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.