Home / 5,459.70-8,189.53-1,564.41

Finding the Fourth Proportional to 5,459.70, 8,189.53 and 1,564.41

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Solution

The fourth proportional to 5,459.70, 8,189.53 and 1,564.41 is: 2,346.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.70 : 8,189.53 = 1,564.41 : x
  2. Step 2: Convert to fraction form
    5,459.70/8,189.53 = 1,564.41/x
  3. Step 3: Cross multiply
    5,459.70x = 8,189.53 × 1,564.41
  4. Step 4: Simplify right side
    5,459.70x = 12,811,782.63
  5. Step 5: Solve for x
    x = 12,811,782.63/5,459.70
  6. Step 6: Final answer
    x = 2,346.61

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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.