Home / 6,746.63-10,121.58-2,129.63

Finding the Fourth Proportional to 6,746.63, 10,121.58 and 2,129.63

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Solution

The fourth proportional to 6,746.63, 10,121.58 and 2,129.63 is: 3,194.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,746.63 : 10,121.58 = 2,129.63 : x
  2. Step 2: Convert to fraction form
    6,746.63/10,121.58 = 2,129.63/x
  3. Step 3: Cross multiply
    6,746.63x = 10,121.58 × 2,129.63
  4. Step 4: Simplify right side
    6,746.63x = 21,555,169.81
  5. Step 5: Solve for x
    x = 21,555,169.81/6,746.63
  6. Step 6: Final answer
    x = 3,194.96

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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.