Home / 8,418.04-11,616.35-4,641.24

Finding the Fourth Proportional to 8,418.04, 11,616.35 and 4,641.24

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Solution

The fourth proportional to 8,418.04, 11,616.35 and 4,641.24 is: 6,404.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.04 : 11,616.35 = 4,641.24 : x
  2. Step 2: Convert to fraction form
    8,418.04/11,616.35 = 4,641.24/x
  3. Step 3: Cross multiply
    8,418.04x = 11,616.35 × 4,641.24
  4. Step 4: Simplify right side
    8,418.04x = 53,914,268.27
  5. Step 5: Solve for x
    x = 53,914,268.27/8,418.04
  6. Step 6: Final answer
    x = 6,404.61

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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.