Home / 4,214.40-6,322.48-1,292.88

Finding the Fourth Proportional to 4,214.40, 6,322.48 and 1,292.88

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Solution

The fourth proportional to 4,214.40, 6,322.48 and 1,292.88 is: 1,939.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,214.40 : 6,322.48 = 1,292.88 : x
  2. Step 2: Convert to fraction form
    4,214.40/6,322.48 = 1,292.88/x
  3. Step 3: Cross multiply
    4,214.40x = 6,322.48 × 1,292.88
  4. Step 4: Simplify right side
    4,214.40x = 8,174,207.94
  5. Step 5: Solve for x
    x = 8,174,207.94/4,214.40
  6. Step 6: Final answer
    x = 1,939.59

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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.