Home / 7,769.40-10,717.56-4,624.98

Finding the Fourth Proportional to 7,769.40, 10,717.56 and 4,624.98

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Solution

The fourth proportional to 7,769.40, 10,717.56 and 4,624.98 is: 6,379.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.40 : 10,717.56 = 4,624.98 : x
  2. Step 2: Convert to fraction form
    7,769.40/10,717.56 = 4,624.98/x
  3. Step 3: Cross multiply
    7,769.40x = 10,717.56 × 4,624.98
  4. Step 4: Simplify right side
    7,769.40x = 49,568,500.65
  5. Step 5: Solve for x
    x = 49,568,500.65/7,769.40
  6. Step 6: Final answer
    x = 6,379.97

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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.