Home / 8,819.47-13,223.88-4,140.51

Finding the Fourth Proportional to 8,819.47, 13,223.88 and 4,140.51

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Solution

The fourth proportional to 8,819.47, 13,223.88 and 4,140.51 is: 6,208.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,819.47 : 13,223.88 = 4,140.51 : x
  2. Step 2: Convert to fraction form
    8,819.47/13,223.88 = 4,140.51/x
  3. Step 3: Cross multiply
    8,819.47x = 13,223.88 × 4,140.51
  4. Step 4: Simplify right side
    8,819.47x = 54,753,607.38
  5. Step 5: Solve for x
    x = 54,753,607.38/8,819.47
  6. Step 6: Final answer
    x = 6,208.27

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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.