Home / 7,786.13-11,678.81-4,282.98

Finding the Fourth Proportional to 7,786.13, 11,678.81 and 4,282.98

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Solution

The fourth proportional to 7,786.13, 11,678.81 and 4,282.98 is: 6,424.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,786.13 : 11,678.81 = 4,282.98 : x
  2. Step 2: Convert to fraction form
    7,786.13/11,678.81 = 4,282.98/x
  3. Step 3: Cross multiply
    7,786.13x = 11,678.81 × 4,282.98
  4. Step 4: Simplify right side
    7,786.13x = 50,020,109.65
  5. Step 5: Solve for x
    x = 50,020,109.65/7,786.13
  6. Step 6: Final answer
    x = 6,424.26

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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.