Home / 8,290.14-11,429.13-5,632.93

Finding the Fourth Proportional to 8,290.14, 11,429.13 and 5,632.93

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Solution

The fourth proportional to 8,290.14, 11,429.13 and 5,632.93 is: 7,765.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,290.14 : 11,429.13 = 5,632.93 : x
  2. Step 2: Convert to fraction form
    8,290.14/11,429.13 = 5,632.93/x
  3. Step 3: Cross multiply
    8,290.14x = 11,429.13 × 5,632.93
  4. Step 4: Simplify right side
    8,290.14x = 64,379,489.25
  5. Step 5: Solve for x
    x = 64,379,489.25/8,290.14
  6. Step 6: Final answer
    x = 7,765.79

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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.