Home / 5,913.09-8,159.19-3,395.31

Finding the Fourth Proportional to 5,913.09, 8,159.19 and 3,395.31

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Solution

The fourth proportional to 5,913.09, 8,159.19 and 3,395.31 is: 4,685.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.09 : 8,159.19 = 3,395.31 : x
  2. Step 2: Convert to fraction form
    5,913.09/8,159.19 = 3,395.31/x
  3. Step 3: Cross multiply
    5,913.09x = 8,159.19 × 3,395.31
  4. Step 4: Simplify right side
    5,913.09x = 27,702,979.40
  5. Step 5: Solve for x
    x = 27,702,979.40/5,913.09
  6. Step 6: Final answer
    x = 4,685.03

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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.