Home / 4,966.40-6,851.31-3,176.30

Finding the Fourth Proportional to 4,966.40, 6,851.31 and 3,176.30

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Solution

The fourth proportional to 4,966.40, 6,851.31 and 3,176.30 is: 4,381.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,966.40 : 6,851.31 = 3,176.30 : x
  2. Step 2: Convert to fraction form
    4,966.40/6,851.31 = 3,176.30/x
  3. Step 3: Cross multiply
    4,966.40x = 6,851.31 × 3,176.30
  4. Step 4: Simplify right side
    4,966.40x = 21,761,815.95
  5. Step 5: Solve for x
    x = 21,761,815.95/4,966.40
  6. Step 6: Final answer
    x = 4,381.81

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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.