Home / 8,756.44-13,134.77-2,913.05

Finding the Fourth Proportional to 8,756.44, 13,134.77 and 2,913.05

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Solution

The fourth proportional to 8,756.44, 13,134.77 and 2,913.05 is: 4,369.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.44 : 13,134.77 = 2,913.05 : x
  2. Step 2: Convert to fraction form
    8,756.44/13,134.77 = 2,913.05/x
  3. Step 3: Cross multiply
    8,756.44x = 13,134.77 × 2,913.05
  4. Step 4: Simplify right side
    8,756.44x = 38,262,201.16
  5. Step 5: Solve for x
    x = 38,262,201.16/8,756.44
  6. Step 6: Final answer
    x = 4,369.61

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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.