Home / 5,783.19-8,674.80-2,859.90

Finding the Fourth Proportional to 5,783.19, 8,674.80 and 2,859.90

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Solution

The fourth proportional to 5,783.19, 8,674.80 and 2,859.90 is: 4,289.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,783.19 : 8,674.80 = 2,859.90 : x
  2. Step 2: Convert to fraction form
    5,783.19/8,674.80 = 2,859.90/x
  3. Step 3: Cross multiply
    5,783.19x = 8,674.80 × 2,859.90
  4. Step 4: Simplify right side
    5,783.19x = 24,809,060.52
  5. Step 5: Solve for x
    x = 24,809,060.52/5,783.19
  6. Step 6: Final answer
    x = 4,289.86

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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.