Home / 8,746.51-13,121.71-3,199.73

Finding the Fourth Proportional to 8,746.51, 13,121.71 and 3,199.73

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Solution

The fourth proportional to 8,746.51, 13,121.71 and 3,199.73 is: 4,800.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,746.51 : 13,121.71 = 3,199.73 : x
  2. Step 2: Convert to fraction form
    8,746.51/13,121.71 = 3,199.73/x
  3. Step 3: Cross multiply
    8,746.51x = 13,121.71 × 3,199.73
  4. Step 4: Simplify right side
    8,746.51x = 41,985,929.14
  5. Step 5: Solve for x
    x = 41,985,929.14/8,746.51
  6. Step 6: Final answer
    x = 4,800.31

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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.