Home / 10,077.26-13,906.40-5,600.76

Finding the Fourth Proportional to 10,077.26, 13,906.40 and 5,600.76

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Solution

The fourth proportional to 10,077.26, 13,906.40 and 5,600.76 is: 7,728.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,077.26 : 13,906.40 = 5,600.76 : x
  2. Step 2: Convert to fraction form
    10,077.26/13,906.40 = 5,600.76/x
  3. Step 3: Cross multiply
    10,077.26x = 13,906.40 × 5,600.76
  4. Step 4: Simplify right side
    10,077.26x = 77,886,408.86
  5. Step 5: Solve for x
    x = 77,886,408.86/10,077.26
  6. Step 6: Final answer
    x = 7,728.93

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.