Home / 7,882.79-11,826.34-4,134.81

Finding the Fourth Proportional to 7,882.79, 11,826.34 and 4,134.81

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Solution

The fourth proportional to 7,882.79, 11,826.34 and 4,134.81 is: 6,203.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,882.79 : 11,826.34 = 4,134.81 : x
  2. Step 2: Convert to fraction form
    7,882.79/11,826.34 = 4,134.81/x
  3. Step 3: Cross multiply
    7,882.79x = 11,826.34 × 4,134.81
  4. Step 4: Simplify right side
    7,882.79x = 48,899,702.91
  5. Step 5: Solve for x
    x = 48,899,702.91/7,882.79
  6. Step 6: Final answer
    x = 6,203.35

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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.