Home / 5,218.56-7,827.72-2,259.08

Finding the Fourth Proportional to 5,218.56, 7,827.72 and 2,259.08

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Solution

The fourth proportional to 5,218.56, 7,827.72 and 2,259.08 is: 3,388.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218.56 : 7,827.72 = 2,259.08 : x
  2. Step 2: Convert to fraction form
    5,218.56/7,827.72 = 2,259.08/x
  3. Step 3: Cross multiply
    5,218.56x = 7,827.72 × 2,259.08
  4. Step 4: Simplify right side
    5,218.56x = 17,683,445.70
  5. Step 5: Solve for x
    x = 17,683,445.70/5,218.56
  6. Step 6: Final answer
    x = 3,388.57

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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.