Home / 5,091.84-7,637.88-4,260.78

Finding the Fourth Proportional to 5,091.84, 7,637.88 and 4,260.78

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Solution

The fourth proportional to 5,091.84, 7,637.88 and 4,260.78 is: 6,391.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.84 : 7,637.88 = 4,260.78 : x
  2. Step 2: Convert to fraction form
    5,091.84/7,637.88 = 4,260.78/x
  3. Step 3: Cross multiply
    5,091.84x = 7,637.88 × 4,260.78
  4. Step 4: Simplify right side
    5,091.84x = 32,543,326.35
  5. Step 5: Solve for x
    x = 32,543,326.35/5,091.84
  6. Step 6: Final answer
    x = 6,391.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.