Home / 10,273.60-15,411.17-2,878.64

Finding the Fourth Proportional to 10,273.60, 15,411.17 and 2,878.64

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Solution

The fourth proportional to 10,273.60, 15,411.17 and 2,878.64 is: 4,318.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,273.60 : 15,411.17 = 2,878.64 : x
  2. Step 2: Convert to fraction form
    10,273.60/15,411.17 = 2,878.64/x
  3. Step 3: Cross multiply
    10,273.60x = 15,411.17 × 2,878.64
  4. Step 4: Simplify right side
    10,273.60x = 44,363,202.39
  5. Step 5: Solve for x
    x = 44,363,202.39/10,273.60
  6. Step 6: Final answer
    x = 4,318.17

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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.