Home / 10,577.86-15,863.54-2,785.66

Finding the Fourth Proportional to 10,577.86, 15,863.54 and 2,785.66

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Solution

The fourth proportional to 10,577.86, 15,863.54 and 2,785.66 is: 4,177.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,577.86 : 15,863.54 = 2,785.66 : x
  2. Step 2: Convert to fraction form
    10,577.86/15,863.54 = 2,785.66/x
  3. Step 3: Cross multiply
    10,577.86x = 15,863.54 × 2,785.66
  4. Step 4: Simplify right side
    10,577.86x = 44,190,428.84
  5. Step 5: Solve for x
    x = 44,190,428.84/10,577.86
  6. Step 6: Final answer
    x = 4,177.63

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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.