Home / 7,127.09-10,680.92-4,354.73

Finding the Fourth Proportional to 7,127.09, 10,680.92 and 4,354.73

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Solution

The fourth proportional to 7,127.09, 10,680.92 and 4,354.73 is: 6,526.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.09 : 10,680.92 = 4,354.73 : x
  2. Step 2: Convert to fraction form
    7,127.09/10,680.92 = 4,354.73/x
  3. Step 3: Cross multiply
    7,127.09x = 10,680.92 × 4,354.73
  4. Step 4: Simplify right side
    7,127.09x = 46,512,500.98
  5. Step 5: Solve for x
    x = 46,512,500.98/7,127.09
  6. Step 6: Final answer
    x = 6,526.16

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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.