Home / 8,207.71-12,293.20-3,818.59

Finding the Fourth Proportional to 8,207.71, 12,293.20 and 3,818.59

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Solution

The fourth proportional to 8,207.71, 12,293.20 and 3,818.59 is: 5,719.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,207.71 : 12,293.20 = 3,818.59 : x
  2. Step 2: Convert to fraction form
    8,207.71/12,293.20 = 3,818.59/x
  3. Step 3: Cross multiply
    8,207.71x = 12,293.20 × 3,818.59
  4. Step 4: Simplify right side
    8,207.71x = 46,942,690.59
  5. Step 5: Solve for x
    x = 46,942,690.59/8,207.71
  6. Step 6: Final answer
    x = 5,719.34

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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.