Home / 5,431.50-8,148.33-2,353.50

Finding the Fourth Proportional to 5,431.50, 8,148.33 and 2,353.50

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Solution

The fourth proportional to 5,431.50, 8,148.33 and 2,353.50 is: 3,530.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.50 : 8,148.33 = 2,353.50 : x
  2. Step 2: Convert to fraction form
    5,431.50/8,148.33 = 2,353.50/x
  3. Step 3: Cross multiply
    5,431.50x = 8,148.33 × 2,353.50
  4. Step 4: Simplify right side
    5,431.50x = 19,177,094.66
  5. Step 5: Solve for x
    x = 19,177,094.66/5,431.50
  6. Step 6: Final answer
    x = 3,530.72

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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.