Home / 8,143.75-11,238.39-4,417.75

Finding the Fourth Proportional to 8,143.75, 11,238.39 and 4,417.75

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Solution

The fourth proportional to 8,143.75, 11,238.39 and 4,417.75 is: 6,096.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143.75 : 11,238.39 = 4,417.75 : x
  2. Step 2: Convert to fraction form
    8,143.75/11,238.39 = 4,417.75/x
  3. Step 3: Cross multiply
    8,143.75x = 11,238.39 × 4,417.75
  4. Step 4: Simplify right side
    8,143.75x = 49,648,397.42
  5. Step 5: Solve for x
    x = 49,648,397.42/8,143.75
  6. Step 6: Final answer
    x = 6,096.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.