Home / 5,373.35-8,055.16-1,909.79

Finding the Fourth Proportional to 5,373.35, 8,055.16 and 1,909.79

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Solution

The fourth proportional to 5,373.35, 8,055.16 and 1,909.79 is: 2,862.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,373.35 : 8,055.16 = 1,909.79 : x
  2. Step 2: Convert to fraction form
    5,373.35/8,055.16 = 1,909.79/x
  3. Step 3: Cross multiply
    5,373.35x = 8,055.16 × 1,909.79
  4. Step 4: Simplify right side
    5,373.35x = 15,383,664.02
  5. Step 5: Solve for x
    x = 15,383,664.02/5,373.35
  6. Step 6: Final answer
    x = 2,862.96

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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.