Home / 8,466.43-12,700.26-2,919.70

Finding the Fourth Proportional to 8,466.43, 12,700.26 and 2,919.70

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Solution

The fourth proportional to 8,466.43, 12,700.26 and 2,919.70 is: 4,379.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,466.43 : 12,700.26 = 2,919.70 : x
  2. Step 2: Convert to fraction form
    8,466.43/12,700.26 = 2,919.70/x
  3. Step 3: Cross multiply
    8,466.43x = 12,700.26 × 2,919.70
  4. Step 4: Simplify right side
    8,466.43x = 37,080,871.02
  5. Step 5: Solve for x
    x = 37,080,871.02/8,466.43
  6. Step 6: Final answer
    x = 4,379.75

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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.