Home / 8,418.31-11,616.73-4,641.27

Finding the Fourth Proportional to 8,418.31, 11,616.73 and 4,641.27

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Solution

The fourth proportional to 8,418.31, 11,616.73 and 4,641.27 is: 6,404.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.31 : 11,616.73 = 4,641.27 : x
  2. Step 2: Convert to fraction form
    8,418.31/11,616.73 = 4,641.27/x
  3. Step 3: Cross multiply
    8,418.31x = 11,616.73 × 4,641.27
  4. Step 4: Simplify right side
    8,418.31x = 53,916,325.28
  5. Step 5: Solve for x
    x = 53,916,325.28/8,418.31
  6. Step 6: Final answer
    x = 6,404.65

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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.