Home / 5,180.29-7,148.55-2,941.87

Finding the Fourth Proportional to 5,180.29, 7,148.55 and 2,941.87

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Solution

The fourth proportional to 5,180.29, 7,148.55 and 2,941.87 is: 4,059.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.29 : 7,148.55 = 2,941.87 : x
  2. Step 2: Convert to fraction form
    5,180.29/7,148.55 = 2,941.87/x
  3. Step 3: Cross multiply
    5,180.29x = 7,148.55 × 2,941.87
  4. Step 4: Simplify right side
    5,180.29x = 21,030,104.79
  5. Step 5: Solve for x
    x = 21,030,104.79/5,180.29
  6. Step 6: Final answer
    x = 4,059.64

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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.