Home / 8,913.96-13,364.64-3,913.92

Finding the Fourth Proportional to 8,913.96, 13,364.64 and 3,913.92

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Solution

The fourth proportional to 8,913.96, 13,364.64 and 3,913.92 is: 5,868.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,913.96 : 13,364.64 = 3,913.92 : x
  2. Step 2: Convert to fraction form
    8,913.96/13,364.64 = 3,913.92/x
  3. Step 3: Cross multiply
    8,913.96x = 13,364.64 × 3,913.92
  4. Step 4: Simplify right side
    8,913.96x = 52,308,131.79
  5. Step 5: Solve for x
    x = 52,308,131.79/8,913.96
  6. Step 6: Final answer
    x = 5,868.11

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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.