Home / 8,746.80-13,120.20-3,200.33

Finding the Fourth Proportional to 8,746.80, 13,120.20 and 3,200.33

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Solution

The fourth proportional to 8,746.80, 13,120.20 and 3,200.33 is: 4,800.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,746.80 : 13,120.20 = 3,200.33 : x
  2. Step 2: Convert to fraction form
    8,746.80/13,120.20 = 3,200.33/x
  3. Step 3: Cross multiply
    8,746.80x = 13,120.20 × 3,200.33
  4. Step 4: Simplify right side
    8,746.80x = 41,988,904.07
  5. Step 5: Solve for x
    x = 41,988,904.07/8,746.80
  6. Step 6: Final answer
    x = 4,800.49

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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.