Home / 5,146.63-7,719.26-1,449.14

Finding the Fourth Proportional to 5,146.63, 7,719.26 and 1,449.14

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Solution

The fourth proportional to 5,146.63, 7,719.26 and 1,449.14 is: 2,173.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.63 : 7,719.26 = 1,449.14 : x
  2. Step 2: Convert to fraction form
    5,146.63/7,719.26 = 1,449.14/x
  3. Step 3: Cross multiply
    5,146.63x = 7,719.26 × 1,449.14
  4. Step 4: Simplify right side
    5,146.63x = 11,186,311.46
  5. Step 5: Solve for x
    x = 11,186,311.46/5,146.63
  6. Step 6: Final answer
    x = 2,173.52

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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.