Home / 8,468.26-12,700.50-2,921.38

Finding the Fourth Proportional to 8,468.26, 12,700.50 and 2,921.38

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Solution

The fourth proportional to 8,468.26, 12,700.50 and 2,921.38 is: 4,381.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,468.26 : 12,700.50 = 2,921.38 : x
  2. Step 2: Convert to fraction form
    8,468.26/12,700.50 = 2,921.38/x
  3. Step 3: Cross multiply
    8,468.26x = 12,700.50 × 2,921.38
  4. Step 4: Simplify right side
    8,468.26x = 37,102,986.69
  5. Step 5: Solve for x
    x = 37,102,986.69/8,468.26
  6. Step 6: Final answer
    x = 4,381.42

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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.