Home / 4,911.89-6,780.91-3,326.91

Finding the Fourth Proportional to 4,911.89, 6,780.91 and 3,326.91

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Solution

The fourth proportional to 4,911.89, 6,780.91 and 3,326.91 is: 4,592.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.89 : 6,780.91 = 3,326.91 : x
  2. Step 2: Convert to fraction form
    4,911.89/6,780.91 = 3,326.91/x
  3. Step 3: Cross multiply
    4,911.89x = 6,780.91 × 3,326.91
  4. Step 4: Simplify right side
    4,911.89x = 22,559,477.29
  5. Step 5: Solve for x
    x = 22,559,477.29/4,911.89
  6. Step 6: Final answer
    x = 4,592.83

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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.