Home / 4,921.16-7,381.63-1,634.28

Finding the Fourth Proportional to 4,921.16, 7,381.63 and 1,634.28

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Solution

The fourth proportional to 4,921.16, 7,381.63 and 1,634.28 is: 2,451.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.16 : 7,381.63 = 1,634.28 : x
  2. Step 2: Convert to fraction form
    4,921.16/7,381.63 = 1,634.28/x
  3. Step 3: Cross multiply
    4,921.16x = 7,381.63 × 1,634.28
  4. Step 4: Simplify right side
    4,921.16x = 12,063,624.64
  5. Step 5: Solve for x
    x = 12,063,624.64/4,921.16
  6. Step 6: Final answer
    x = 2,451.38

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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.