Home / 10,558.76-15,838.20-2,767.50

Finding the Fourth Proportional to 10,558.76, 15,838.20 and 2,767.50

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Solution

The fourth proportional to 10,558.76, 15,838.20 and 2,767.50 is: 4,151.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,558.76 : 15,838.20 = 2,767.50 : x
  2. Step 2: Convert to fraction form
    10,558.76/15,838.20 = 2,767.50/x
  3. Step 3: Cross multiply
    10,558.76x = 15,838.20 × 2,767.50
  4. Step 4: Simplify right side
    10,558.76x = 43,832,218.50
  5. Step 5: Solve for x
    x = 43,832,218.50/10,558.76
  6. Step 6: Final answer
    x = 4,151.27

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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.