Home / 8,126.54-11,215.31-4,590.39

Finding the Fourth Proportional to 8,126.54, 11,215.31 and 4,590.39

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Solution

The fourth proportional to 8,126.54, 11,215.31 and 4,590.39 is: 6,335.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126.54 : 11,215.31 = 4,590.39 : x
  2. Step 2: Convert to fraction form
    8,126.54/11,215.31 = 4,590.39/x
  3. Step 3: Cross multiply
    8,126.54x = 11,215.31 × 4,590.39
  4. Step 4: Simplify right side
    8,126.54x = 51,482,623.92
  5. Step 5: Solve for x
    x = 51,482,623.92/8,126.54
  6. Step 6: Final answer
    x = 6,335.13

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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.