Home / 5,459.53-8,189.26-1,563.95

Finding the Fourth Proportional to 5,459.53, 8,189.26 and 1,563.95

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Solution

The fourth proportional to 5,459.53, 8,189.26 and 1,563.95 is: 2,345.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.53 : 8,189.26 = 1,563.95 : x
  2. Step 2: Convert to fraction form
    5,459.53/8,189.26 = 1,563.95/x
  3. Step 3: Cross multiply
    5,459.53x = 8,189.26 × 1,563.95
  4. Step 4: Simplify right side
    5,459.53x = 12,807,593.18
  5. Step 5: Solve for x
    x = 12,807,593.18/5,459.53
  6. Step 6: Final answer
    x = 2,345.91

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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.