Home / 5,827.12-8,739.20-1,667.15

Finding the Fourth Proportional to 5,827.12, 8,739.20 and 1,667.15

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Solution

The fourth proportional to 5,827.12, 8,739.20 and 1,667.15 is: 2,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,827.12 : 8,739.20 = 1,667.15 : x
  2. Step 2: Convert to fraction form
    5,827.12/8,739.20 = 1,667.15/x
  3. Step 3: Cross multiply
    5,827.12x = 8,739.20 × 1,667.15
  4. Step 4: Simplify right side
    5,827.12x = 14,569,517.75
  5. Step 5: Solve for x
    x = 14,569,517.75/5,827.12
  6. Step 6: Final answer
    x = 2,500.30

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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.