Home / 5,340.33-8,009.19-1,591.38

Finding the Fourth Proportional to 5,340.33, 8,009.19 and 1,591.38

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Solution

The fourth proportional to 5,340.33, 8,009.19 and 1,591.38 is: 2,386.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.33 : 8,009.19 = 1,591.38 : x
  2. Step 2: Convert to fraction form
    5,340.33/8,009.19 = 1,591.38/x
  3. Step 3: Cross multiply
    5,340.33x = 8,009.19 × 1,591.38
  4. Step 4: Simplify right side
    5,340.33x = 12,745,664.78
  5. Step 5: Solve for x
    x = 12,745,664.78/5,340.33
  6. Step 6: Final answer
    x = 2,386.68

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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.