Home / 9,806.30-13,525.85-6,448.04

Finding the Fourth Proportional to 9,806.30, 13,525.85 and 6,448.04

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Solution

The fourth proportional to 9,806.30, 13,525.85 and 6,448.04 is: 8,893.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,806.30 : 13,525.85 = 6,448.04 : x
  2. Step 2: Convert to fraction form
    9,806.30/13,525.85 = 6,448.04/x
  3. Step 3: Cross multiply
    9,806.30x = 13,525.85 × 6,448.04
  4. Step 4: Simplify right side
    9,806.30x = 87,215,221.83
  5. Step 5: Solve for x
    x = 87,215,221.83/9,806.30
  6. Step 6: Final answer
    x = 8,893.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.