Home / 5,398.63-8,094.48-2,277.78

Finding the Fourth Proportional to 5,398.63, 8,094.48 and 2,277.78

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Solution

The fourth proportional to 5,398.63, 8,094.48 and 2,277.78 is: 3,415.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398.63 : 8,094.48 = 2,277.78 : x
  2. Step 2: Convert to fraction form
    5,398.63/8,094.48 = 2,277.78/x
  3. Step 3: Cross multiply
    5,398.63x = 8,094.48 × 2,277.78
  4. Step 4: Simplify right side
    5,398.63x = 18,437,444.65
  5. Step 5: Solve for x
    x = 18,437,444.65/5,398.63
  6. Step 6: Final answer
    x = 3,415.21

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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.