Home / 8,921.04-13,363.39-4,226.82

Finding the Fourth Proportional to 8,921.04, 13,363.39 and 4,226.82

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Solution

The fourth proportional to 8,921.04, 13,363.39 and 4,226.82 is: 6,331.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,921.04 : 13,363.39 = 4,226.82 : x
  2. Step 2: Convert to fraction form
    8,921.04/13,363.39 = 4,226.82/x
  3. Step 3: Cross multiply
    8,921.04x = 13,363.39 × 4,226.82
  4. Step 4: Simplify right side
    8,921.04x = 56,484,644.12
  5. Step 5: Solve for x
    x = 56,484,644.12/8,921.04
  6. Step 6: Final answer
    x = 6,331.62

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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.