Home / 5,828.10-8,742.42-1,668.72

Finding the Fourth Proportional to 5,828.10, 8,742.42 and 1,668.72

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Solution

The fourth proportional to 5,828.10, 8,742.42 and 1,668.72 is: 2,503.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,828.10 : 8,742.42 = 1,668.72 : x
  2. Step 2: Convert to fraction form
    5,828.10/8,742.42 = 1,668.72/x
  3. Step 3: Cross multiply
    5,828.10x = 8,742.42 × 1,668.72
  4. Step 4: Simplify right side
    5,828.10x = 14,588,651.10
  5. Step 5: Solve for x
    x = 14,588,651.10/5,828.10
  6. Step 6: Final answer
    x = 2,503.16

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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.