Home / 5,177.61-7,763.64-2,057.49

Finding the Fourth Proportional to 5,177.61, 7,763.64 and 2,057.49

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Solution

The fourth proportional to 5,177.61, 7,763.64 and 2,057.49 is: 3,085.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.61 : 7,763.64 = 2,057.49 : x
  2. Step 2: Convert to fraction form
    5,177.61/7,763.64 = 2,057.49/x
  3. Step 3: Cross multiply
    5,177.61x = 7,763.64 × 2,057.49
  4. Step 4: Simplify right side
    5,177.61x = 15,973,611.66
  5. Step 5: Solve for x
    x = 15,973,611.66/5,177.61
  6. Step 6: Final answer
    x = 3,085.13

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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.