Home / 4,717.69-7,076.90-1,431.06

Finding the Fourth Proportional to 4,717.69, 7,076.90 and 1,431.06

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Solution

The fourth proportional to 4,717.69, 7,076.90 and 1,431.06 is: 2,146.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,717.69 : 7,076.90 = 1,431.06 : x
  2. Step 2: Convert to fraction form
    4,717.69/7,076.90 = 1,431.06/x
  3. Step 3: Cross multiply
    4,717.69x = 7,076.90 × 1,431.06
  4. Step 4: Simplify right side
    4,717.69x = 10,127,468.51
  5. Step 5: Solve for x
    x = 10,127,468.51/4,717.69
  6. Step 6: Final answer
    x = 2,146.70

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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.