Home / 4,687.76-7,028.98-2,054.20

Finding the Fourth Proportional to 4,687.76, 7,028.98 and 2,054.20

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Solution

The fourth proportional to 4,687.76, 7,028.98 and 2,054.20 is: 3,080.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.76 : 7,028.98 = 2,054.20 : x
  2. Step 2: Convert to fraction form
    4,687.76/7,028.98 = 2,054.20/x
  3. Step 3: Cross multiply
    4,687.76x = 7,028.98 × 2,054.20
  4. Step 4: Simplify right side
    4,687.76x = 14,438,930.72
  5. Step 5: Solve for x
    x = 14,438,930.72/4,687.76
  6. Step 6: Final answer
    x = 3,080.13

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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.