Home / 5,415.98-8,118.62-2,604.02

Finding the Fourth Proportional to 5,415.98, 8,118.62 and 2,604.02

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Solution

The fourth proportional to 5,415.98, 8,118.62 and 2,604.02 is: 3,903.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.98 : 8,118.62 = 2,604.02 : x
  2. Step 2: Convert to fraction form
    5,415.98/8,118.62 = 2,604.02/x
  3. Step 3: Cross multiply
    5,415.98x = 8,118.62 × 2,604.02
  4. Step 4: Simplify right side
    5,415.98x = 21,141,056.13
  5. Step 5: Solve for x
    x = 21,141,056.13/5,415.98
  6. Step 6: Final answer
    x = 3,903.46

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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.