Home / 7,126.20-10,684.24-5,126.08

Finding the Fourth Proportional to 7,126.20, 10,684.24 and 5,126.08

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Solution

The fourth proportional to 7,126.20, 10,684.24 and 5,126.08 is: 7,685.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.20 : 10,684.24 = 5,126.08 : x
  2. Step 2: Convert to fraction form
    7,126.20/10,684.24 = 5,126.08/x
  3. Step 3: Cross multiply
    7,126.20x = 10,684.24 × 5,126.08
  4. Step 4: Simplify right side
    7,126.20x = 54,768,268.98
  5. Step 5: Solve for x
    x = 54,768,268.98/7,126.20
  6. Step 6: Final answer
    x = 7,685.48

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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.