Home / 5,459.90-8,188.43-1,563.39

Finding the Fourth Proportional to 5,459.90, 8,188.43 and 1,563.39

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Solution

The fourth proportional to 5,459.90, 8,188.43 and 1,563.39 is: 2,344.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.90 : 8,188.43 = 1,563.39 : x
  2. Step 2: Convert to fraction form
    5,459.90/8,188.43 = 1,563.39/x
  3. Step 3: Cross multiply
    5,459.90x = 8,188.43 × 1,563.39
  4. Step 4: Simplify right side
    5,459.90x = 12,801,701.76
  5. Step 5: Solve for x
    x = 12,801,701.76/5,459.90
  6. Step 6: Final answer
    x = 2,344.68

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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.