Home / 5,156.25-7,732.07-1,457.62

Finding the Fourth Proportional to 5,156.25, 7,732.07 and 1,457.62

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Solution

The fourth proportional to 5,156.25, 7,732.07 and 1,457.62 is: 2,185.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,156.25 : 7,732.07 = 1,457.62 : x
  2. Step 2: Convert to fraction form
    5,156.25/7,732.07 = 1,457.62/x
  3. Step 3: Cross multiply
    5,156.25x = 7,732.07 × 1,457.62
  4. Step 4: Simplify right side
    5,156.25x = 11,270,419.87
  5. Step 5: Solve for x
    x = 11,270,419.87/5,156.25
  6. Step 6: Final answer
    x = 2,185.78

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1.5x scale

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.