Home / 8,564.70-11,819.20-4,788.02

Finding the Fourth Proportional to 8,564.70, 11,819.20 and 4,788.02

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Solution

The fourth proportional to 8,564.70, 11,819.20 and 4,788.02 is: 6,607.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,564.70 : 11,819.20 = 4,788.02 : x
  2. Step 2: Convert to fraction form
    8,564.70/11,819.20 = 4,788.02/x
  3. Step 3: Cross multiply
    8,564.70x = 11,819.20 × 4,788.02
  4. Step 4: Simplify right side
    8,564.70x = 56,590,565.98
  5. Step 5: Solve for x
    x = 56,590,565.98/8,564.70
  6. Step 6: Final answer
    x = 6,607.42

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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.