Home / 4,777.90-7,168.06-1,491.02

Finding the Fourth Proportional to 4,777.90, 7,168.06 and 1,491.02

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Solution

The fourth proportional to 4,777.90, 7,168.06 and 1,491.02 is: 2,236.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,777.90 : 7,168.06 = 1,491.02 : x
  2. Step 2: Convert to fraction form
    4,777.90/7,168.06 = 1,491.02/x
  3. Step 3: Cross multiply
    4,777.90x = 7,168.06 × 1,491.02
  4. Step 4: Simplify right side
    4,777.90x = 10,687,713.72
  5. Step 5: Solve for x
    x = 10,687,713.72/4,777.90
  6. Step 6: Final answer
    x = 2,236.91

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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.