Home / 4,389.12-6,584.40-2,079.36

Finding the Fourth Proportional to 4,389.12, 6,584.40 and 2,079.36

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Solution

The fourth proportional to 4,389.12, 6,584.40 and 2,079.36 is: 3,119.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,389.12 : 6,584.40 = 2,079.36 : x
  2. Step 2: Convert to fraction form
    4,389.12/6,584.40 = 2,079.36/x
  3. Step 3: Cross multiply
    4,389.12x = 6,584.40 × 2,079.36
  4. Step 4: Simplify right side
    4,389.12x = 13,691,337.98
  5. Step 5: Solve for x
    x = 13,691,337.98/4,389.12
  6. Step 6: Final answer
    x = 3,119.38

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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.