Home / 7,748.84-11,619.72-4,240.06

Finding the Fourth Proportional to 7,748.84, 11,619.72 and 4,240.06

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Solution

The fourth proportional to 7,748.84, 11,619.72 and 4,240.06 is: 6,358.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748.84 : 11,619.72 = 4,240.06 : x
  2. Step 2: Convert to fraction form
    7,748.84/11,619.72 = 4,240.06/x
  3. Step 3: Cross multiply
    7,748.84x = 11,619.72 × 4,240.06
  4. Step 4: Simplify right side
    7,748.84x = 49,268,280.93
  5. Step 5: Solve for x
    x = 49,268,280.93/7,748.84
  6. Step 6: Final answer
    x = 6,358.15

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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.