Home / 8,564.64-11,819.03-4,787.70

Finding the Fourth Proportional to 8,564.64, 11,819.03 and 4,787.70

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Solution

The fourth proportional to 8,564.64, 11,819.03 and 4,787.70 is: 6,606.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,564.64 : 11,819.03 = 4,787.70 : x
  2. Step 2: Convert to fraction form
    8,564.64/11,819.03 = 4,787.70/x
  3. Step 3: Cross multiply
    8,564.64x = 11,819.03 × 4,787.70
  4. Step 4: Simplify right side
    8,564.64x = 56,585,945.99
  5. Step 5: Solve for x
    x = 56,585,945.99/8,564.64
  6. Step 6: Final answer
    x = 6,606.93

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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.