Home / 8,371.18-11,550.29-5,012.72

Finding the Fourth Proportional to 8,371.18, 11,550.29 and 5,012.72

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Solution

The fourth proportional to 8,371.18, 11,550.29 and 5,012.72 is: 6,916.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,371.18 : 11,550.29 = 5,012.72 : x
  2. Step 2: Convert to fraction form
    8,371.18/11,550.29 = 5,012.72/x
  3. Step 3: Cross multiply
    8,371.18x = 11,550.29 × 5,012.72
  4. Step 4: Simplify right side
    8,371.18x = 57,898,369.69
  5. Step 5: Solve for x
    x = 57,898,369.69/8,371.18
  6. Step 6: Final answer
    x = 6,916.39

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1.5x scale

Why These Related Problems?

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