Home / 4,719.17-7,077.95-1,431.47

Finding the Fourth Proportional to 4,719.17, 7,077.95 and 1,431.47

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Solution

The fourth proportional to 4,719.17, 7,077.95 and 1,431.47 is: 2,146.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719.17 : 7,077.95 = 1,431.47 : x
  2. Step 2: Convert to fraction form
    4,719.17/7,077.95 = 1,431.47/x
  3. Step 3: Cross multiply
    4,719.17x = 7,077.95 × 1,431.47
  4. Step 4: Simplify right side
    4,719.17x = 10,131,873.09
  5. Step 5: Solve for x
    x = 10,131,873.09/4,719.17
  6. Step 6: Final answer
    x = 2,146.96

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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.