Home / 5,076.65-7,005.39-3,086.93

Finding the Fourth Proportional to 5,076.65, 7,005.39 and 3,086.93

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Solution

The fourth proportional to 5,076.65, 7,005.39 and 3,086.93 is: 4,259.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.65 : 7,005.39 = 3,086.93 : x
  2. Step 2: Convert to fraction form
    5,076.65/7,005.39 = 3,086.93/x
  3. Step 3: Cross multiply
    5,076.65x = 7,005.39 × 3,086.93
  4. Step 4: Simplify right side
    5,076.65x = 21,625,148.55
  5. Step 5: Solve for x
    x = 21,625,148.55/5,076.65
  6. Step 6: Final answer
    x = 4,259.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.