Home / 7,126.26-10,688.85-2,506.02

Finding the Fourth Proportional to 7,126.26, 10,688.85 and 2,506.02

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Solution

The fourth proportional to 7,126.26, 10,688.85 and 2,506.02 is: 3,758.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.26 : 10,688.85 = 2,506.02 : x
  2. Step 2: Convert to fraction form
    7,126.26/10,688.85 = 2,506.02/x
  3. Step 3: Cross multiply
    7,126.26x = 10,688.85 × 2,506.02
  4. Step 4: Simplify right side
    7,126.26x = 26,786,471.88
  5. Step 5: Solve for x
    x = 26,786,471.88/7,126.26
  6. Step 6: Final answer
    x = 3,758.84

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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.