Home / 4,718.96-7,077.64-1,431.27

Finding the Fourth Proportional to 4,718.96, 7,077.64 and 1,431.27

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Solution

The fourth proportional to 4,718.96, 7,077.64 and 1,431.27 is: 2,146.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,718.96 : 7,077.64 = 1,431.27 : x
  2. Step 2: Convert to fraction form
    4,718.96/7,077.64 = 1,431.27/x
  3. Step 3: Cross multiply
    4,718.96x = 7,077.64 × 1,431.27
  4. Step 4: Simplify right side
    4,718.96x = 10,130,013.80
  5. Step 5: Solve for x
    x = 10,130,013.80/4,718.96
  6. Step 6: Final answer
    x = 2,146.66

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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.