Home / 7,629.78-11,444.70-5,013.84

Finding the Fourth Proportional to 7,629.78, 11,444.70 and 5,013.84

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Solution

The fourth proportional to 7,629.78, 11,444.70 and 5,013.84 is: 7,520.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.78 : 11,444.70 = 5,013.84 : x
  2. Step 2: Convert to fraction form
    7,629.78/11,444.70 = 5,013.84/x
  3. Step 3: Cross multiply
    7,629.78x = 11,444.70 × 5,013.84
  4. Step 4: Simplify right side
    7,629.78x = 57,381,894.65
  5. Step 5: Solve for x
    x = 57,381,894.65/7,629.78
  6. Step 6: Final answer
    x = 7,520.78

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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.