Home / 10,256.37-15,382.86-2,861.58

Finding the Fourth Proportional to 10,256.37, 15,382.86 and 2,861.58

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Solution

The fourth proportional to 10,256.37, 15,382.86 and 2,861.58 is: 4,291.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,256.37 : 15,382.86 = 2,861.58 : x
  2. Step 2: Convert to fraction form
    10,256.37/15,382.86 = 2,861.58/x
  3. Step 3: Cross multiply
    10,256.37x = 15,382.86 × 2,861.58
  4. Step 4: Simplify right side
    10,256.37x = 44,019,284.52
  5. Step 5: Solve for x
    x = 44,019,284.52/10,256.37
  6. Step 6: Final answer
    x = 4,291.90

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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.