Home / 5,564.35-8,347.87-1,668.72

Finding the Fourth Proportional to 5,564.35, 8,347.87 and 1,668.72

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Solution

The fourth proportional to 5,564.35, 8,347.87 and 1,668.72 is: 2,503.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,564.35 : 8,347.87 = 1,668.72 : x
  2. Step 2: Convert to fraction form
    5,564.35/8,347.87 = 1,668.72/x
  3. Step 3: Cross multiply
    5,564.35x = 8,347.87 × 1,668.72
  4. Step 4: Simplify right side
    5,564.35x = 13,930,257.63
  5. Step 5: Solve for x
    x = 13,930,257.63/5,564.35
  6. Step 6: Final answer
    x = 2,503.48

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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.