Home / 4,921.49-7,380.97-1,457.93

Finding the Fourth Proportional to 4,921.49, 7,380.97 and 1,457.93

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Solution

The fourth proportional to 4,921.49, 7,380.97 and 1,457.93 is: 2,186.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.49 : 7,380.97 = 1,457.93 : x
  2. Step 2: Convert to fraction form
    4,921.49/7,380.97 = 1,457.93/x
  3. Step 3: Cross multiply
    4,921.49x = 7,380.97 × 1,457.93
  4. Step 4: Simplify right side
    4,921.49x = 10,760,937.59
  5. Step 5: Solve for x
    x = 10,760,937.59/4,921.49
  6. Step 6: Final answer
    x = 2,186.52

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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.