Home / 7,637.55-11,449.01-4,855.61

Finding the Fourth Proportional to 7,637.55, 11,449.01 and 4,855.61

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Solution

The fourth proportional to 7,637.55, 11,449.01 and 4,855.61 is: 7,278.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,637.55 : 11,449.01 = 4,855.61 : x
  2. Step 2: Convert to fraction form
    7,637.55/11,449.01 = 4,855.61/x
  3. Step 3: Cross multiply
    7,637.55x = 11,449.01 × 4,855.61
  4. Step 4: Simplify right side
    7,637.55x = 55,591,845.92
  5. Step 5: Solve for x
    x = 55,591,845.92/7,637.55
  6. Step 6: Final answer
    x = 7,278.75

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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.