Home / 8,544.85-12,821.50-3,864.37

Finding the Fourth Proportional to 8,544.85, 12,821.50 and 3,864.37

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Solution

The fourth proportional to 8,544.85, 12,821.50 and 3,864.37 is: 5,798.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,544.85 : 12,821.50 = 3,864.37 : x
  2. Step 2: Convert to fraction form
    8,544.85/12,821.50 = 3,864.37/x
  3. Step 3: Cross multiply
    8,544.85x = 12,821.50 × 3,864.37
  4. Step 4: Simplify right side
    8,544.85x = 49,547,013.84
  5. Step 5: Solve for x
    x = 49,547,013.84/8,544.85
  6. Step 6: Final answer
    x = 5,798.47

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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.