Home / 5,669.30-8,505.30-2,380.70

Finding the Fourth Proportional to 5,669.30, 8,505.30 and 2,380.70

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Solution

The fourth proportional to 5,669.30, 8,505.30 and 2,380.70 is: 3,571.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,669.30 : 8,505.30 = 2,380.70 : x
  2. Step 2: Convert to fraction form
    5,669.30/8,505.30 = 2,380.70/x
  3. Step 3: Cross multiply
    5,669.30x = 8,505.30 × 2,380.70
  4. Step 4: Simplify right side
    5,669.30x = 20,248,567.71
  5. Step 5: Solve for x
    x = 20,248,567.71/5,669.30
  6. Step 6: Final answer
    x = 3,571.62

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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.