Home / 6,445.50-9,668.61-1,828.86

Finding the Fourth Proportional to 6,445.50, 9,668.61 and 1,828.86

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Solution

The fourth proportional to 6,445.50, 9,668.61 and 1,828.86 is: 2,743.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445.50 : 9,668.61 = 1,828.86 : x
  2. Step 2: Convert to fraction form
    6,445.50/9,668.61 = 1,828.86/x
  3. Step 3: Cross multiply
    6,445.50x = 9,668.61 × 1,828.86
  4. Step 4: Simplify right side
    6,445.50x = 17,682,534.08
  5. Step 5: Solve for x
    x = 17,682,534.08/6,445.50
  6. Step 6: Final answer
    x = 2,743.39

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1.5x scale

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.