Home / 5,386.89-7,433.91-3,291

Finding the Fourth Proportional to 5,386.89, 7,433.91 and 3,291

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Solution

The fourth proportional to 5,386.89, 7,433.91 and 3,291 is: 4,541.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.89 : 7,433.91 = 3,291 : x
  2. Step 2: Convert to fraction form
    5,386.89/7,433.91 = 3,291/x
  3. Step 3: Cross multiply
    5,386.89x = 7,433.91 × 3,291
  4. Step 4: Simplify right side
    5,386.89x = 24,464,997.81
  5. Step 5: Solve for x
    x = 24,464,997.81/5,386.89
  6. Step 6: Final answer
    x = 4,541.58

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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.