Home / 8,472.51-12,704.27-4,969.35

Finding the Fourth Proportional to 8,472.51, 12,704.27 and 4,969.35

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Solution

The fourth proportional to 8,472.51, 12,704.27 and 4,969.35 is: 7,451.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,472.51 : 12,704.27 = 4,969.35 : x
  2. Step 2: Convert to fraction form
    8,472.51/12,704.27 = 4,969.35/x
  3. Step 3: Cross multiply
    8,472.51x = 12,704.27 × 4,969.35
  4. Step 4: Simplify right side
    8,472.51x = 63,131,939.28
  5. Step 5: Solve for x
    x = 63,131,939.28/8,472.51
  6. Step 6: Final answer
    x = 7,451.39

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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.