Home / 7,127.56-10,684.68-3,176.74

Finding the Fourth Proportional to 7,127.56, 10,684.68 and 3,176.74

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Solution

The fourth proportional to 7,127.56, 10,684.68 and 3,176.74 is: 4,762.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.56 : 10,684.68 = 3,176.74 : x
  2. Step 2: Convert to fraction form
    7,127.56/10,684.68 = 3,176.74/x
  3. Step 3: Cross multiply
    7,127.56x = 10,684.68 × 3,176.74
  4. Step 4: Simplify right side
    7,127.56x = 33,942,450.34
  5. Step 5: Solve for x
    x = 33,942,450.34/7,127.56
  6. Step 6: Final answer
    x = 4,762.14

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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.