Home / 8,564.70-12,849.45-4,182.30

Finding the Fourth Proportional to 8,564.70, 12,849.45 and 4,182.30

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Solution

The fourth proportional to 8,564.70, 12,849.45 and 4,182.30 is: 6,274.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,564.70 : 12,849.45 = 4,182.30 : x
  2. Step 2: Convert to fraction form
    8,564.70/12,849.45 = 4,182.30/x
  3. Step 3: Cross multiply
    8,564.70x = 12,849.45 × 4,182.30
  4. Step 4: Simplify right side
    8,564.70x = 53,740,254.74
  5. Step 5: Solve for x
    x = 53,740,254.74/8,564.70
  6. Step 6: Final answer
    x = 6,274.62

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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.