Home / 4,184.64-5,778-2,615.52

Finding the Fourth Proportional to 4,184.64, 5,778 and 2,615.52

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Solution

The fourth proportional to 4,184.64, 5,778 and 2,615.52 is: 3,611.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,184.64 : 5,778 = 2,615.52 : x
  2. Step 2: Convert to fraction form
    4,184.64/5,778 = 2,615.52/x
  3. Step 3: Cross multiply
    4,184.64x = 5,778 × 2,615.52
  4. Step 4: Simplify right side
    4,184.64x = 15,112,474.56
  5. Step 5: Solve for x
    x = 15,112,474.56/4,184.64
  6. Step 6: Final answer
    x = 3,611.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.