Home / 5,107.18-7,664.02-4,789.66

Finding the Fourth Proportional to 5,107.18, 7,664.02 and 4,789.66

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Solution

The fourth proportional to 5,107.18, 7,664.02 and 4,789.66 is: 7,187.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107.18 : 7,664.02 = 4,789.66 : x
  2. Step 2: Convert to fraction form
    5,107.18/7,664.02 = 4,789.66/x
  3. Step 3: Cross multiply
    5,107.18x = 7,664.02 × 4,789.66
  4. Step 4: Simplify right side
    5,107.18x = 36,708,050.03
  5. Step 5: Solve for x
    x = 36,708,050.03/5,107.18
  6. Step 6: Final answer
    x = 7,187.54

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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.