Home / 5,979.40-8,973.74-4,143.38

Finding the Fourth Proportional to 5,979.40, 8,973.74 and 4,143.38

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Solution

The fourth proportional to 5,979.40, 8,973.74 and 4,143.38 is: 6,218.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.40 : 8,973.74 = 4,143.38 : x
  2. Step 2: Convert to fraction form
    5,979.40/8,973.74 = 4,143.38/x
  3. Step 3: Cross multiply
    5,979.40x = 8,973.74 × 4,143.38
  4. Step 4: Simplify right side
    5,979.40x = 37,181,614.84
  5. Step 5: Solve for x
    x = 37,181,614.84/5,979.40
  6. Step 6: Final answer
    x = 6,218.29

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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.