Home / 8,510.30-12,769.32-3,827.75

Finding the Fourth Proportional to 8,510.30, 12,769.32 and 3,827.75

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Solution

The fourth proportional to 8,510.30, 12,769.32 and 3,827.75 is: 5,743.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,510.30 : 12,769.32 = 3,827.75 : x
  2. Step 2: Convert to fraction form
    8,510.30/12,769.32 = 3,827.75/x
  3. Step 3: Cross multiply
    8,510.30x = 12,769.32 × 3,827.75
  4. Step 4: Simplify right side
    8,510.30x = 48,877,700.78
  5. Step 5: Solve for x
    x = 48,877,700.78/8,510.30
  6. Step 6: Final answer
    x = 5,743.36

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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.