Home / 4,208.75-6,311.64-1,434.74

Finding the Fourth Proportional to 4,208.75, 6,311.64 and 1,434.74

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Solution

The fourth proportional to 4,208.75, 6,311.64 and 1,434.74 is: 2,151.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,208.75 : 6,311.64 = 1,434.74 : x
  2. Step 2: Convert to fraction form
    4,208.75/6,311.64 = 1,434.74/x
  3. Step 3: Cross multiply
    4,208.75x = 6,311.64 × 1,434.74
  4. Step 4: Simplify right side
    4,208.75x = 9,055,530.82
  5. Step 5: Solve for x
    x = 9,055,530.82/4,208.75
  6. Step 6: Final answer
    x = 2,151.60

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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.