Home / 6,446.24-9,669.12-1,829.12

Finding the Fourth Proportional to 6,446.24, 9,669.12 and 1,829.12

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Solution

The fourth proportional to 6,446.24, 9,669.12 and 1,829.12 is: 2,743.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,446.24 : 9,669.12 = 1,829.12 : x
  2. Step 2: Convert to fraction form
    6,446.24/9,669.12 = 1,829.12/x
  3. Step 3: Cross multiply
    6,446.24x = 9,669.12 × 1,829.12
  4. Step 4: Simplify right side
    6,446.24x = 17,685,980.77
  5. Step 5: Solve for x
    x = 17,685,980.77/6,446.24
  6. Step 6: Final answer
    x = 2,743.61

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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.