Home / 5,177.95-7,760.00-1,887.94

Finding the Fourth Proportional to 5,177.95, 7,760.00 and 1,887.94

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Solution

The fourth proportional to 5,177.95, 7,760.00 and 1,887.94 is: 2,829.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.95 : 7,760.00 = 1,887.94 : x
  2. Step 2: Convert to fraction form
    5,177.95/7,760.00 = 1,887.94/x
  3. Step 3: Cross multiply
    5,177.95x = 7,760.00 × 1,887.94
  4. Step 4: Simplify right side
    5,177.95x = 14,650,404.96
  5. Step 5: Solve for x
    x = 14,650,404.96/5,177.95
  6. Step 6: Final answer
    x = 2,829.38

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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.