Home / 4,077.14-6,115.64-1,303.80

Finding the Fourth Proportional to 4,077.14, 6,115.64 and 1,303.80

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Solution

The fourth proportional to 4,077.14, 6,115.64 and 1,303.80 is: 1,955.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.14 : 6,115.64 = 1,303.80 : x
  2. Step 2: Convert to fraction form
    4,077.14/6,115.64 = 1,303.80/x
  3. Step 3: Cross multiply
    4,077.14x = 6,115.64 × 1,303.80
  4. Step 4: Simplify right side
    4,077.14x = 7,973,571.43
  5. Step 5: Solve for x
    x = 7,973,571.43/4,077.14
  6. Step 6: Final answer
    x = 1,955.68

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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.