Home / 5,546.43-8,319.33-1,386.45

Finding the Fourth Proportional to 5,546.43, 8,319.33 and 1,386.45

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Solution

The fourth proportional to 5,546.43, 8,319.33 and 1,386.45 is: 2,079.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,546.43 : 8,319.33 = 1,386.45 : x
  2. Step 2: Convert to fraction form
    5,546.43/8,319.33 = 1,386.45/x
  3. Step 3: Cross multiply
    5,546.43x = 8,319.33 × 1,386.45
  4. Step 4: Simplify right side
    5,546.43x = 11,534,335.08
  5. Step 5: Solve for x
    x = 11,534,335.08/5,546.43
  6. Step 6: Final answer
    x = 2,079.60

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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.