Home / 6,445.13-9,668.25-1,828.13

Finding the Fourth Proportional to 6,445.13, 9,668.25 and 1,828.13

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Solution

The fourth proportional to 6,445.13, 9,668.25 and 1,828.13 is: 2,742.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445.13 : 9,668.25 = 1,828.13 : x
  2. Step 2: Convert to fraction form
    6,445.13/9,668.25 = 1,828.13/x
  3. Step 3: Cross multiply
    6,445.13x = 9,668.25 × 1,828.13
  4. Step 4: Simplify right side
    6,445.13x = 17,674,769.53
  5. Step 5: Solve for x
    x = 17,674,769.53/6,445.13
  6. Step 6: Final answer
    x = 2,742.35

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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.