Home / 8,418.57-11,617.55-4,590.19

Finding the Fourth Proportional to 8,418.57, 11,617.55 and 4,590.19

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Solution

The fourth proportional to 8,418.57, 11,617.55 and 4,590.19 is: 6,334.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.57 : 11,617.55 = 4,590.19 : x
  2. Step 2: Convert to fraction form
    8,418.57/11,617.55 = 4,590.19/x
  3. Step 3: Cross multiply
    8,418.57x = 11,617.55 × 4,590.19
  4. Step 4: Simplify right side
    8,418.57x = 53,326,787.83
  5. Step 5: Solve for x
    x = 53,326,787.83/8,418.57
  6. Step 6: Final answer
    x = 6,334.43

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Half scale
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Double scale
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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.