Home / 8,911.40-13,367.10-3,364.93

Finding the Fourth Proportional to 8,911.40, 13,367.10 and 3,364.93

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Solution

The fourth proportional to 8,911.40, 13,367.10 and 3,364.93 is: 5,047.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911.40 : 13,367.10 = 3,364.93 : x
  2. Step 2: Convert to fraction form
    8,911.40/13,367.10 = 3,364.93/x
  3. Step 3: Cross multiply
    8,911.40x = 13,367.10 × 3,364.93
  4. Step 4: Simplify right side
    8,911.40x = 44,979,355.80
  5. Step 5: Solve for x
    x = 44,979,355.80/8,911.40
  6. Step 6: Final answer
    x = 5,047.40

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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.