Home / 6,429.24-8,868.66-3,776.16

Finding the Fourth Proportional to 6,429.24, 8,868.66 and 3,776.16

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Solution

The fourth proportional to 6,429.24, 8,868.66 and 3,776.16 is: 5,208.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,429.24 : 8,868.66 = 3,776.16 : x
  2. Step 2: Convert to fraction form
    6,429.24/8,868.66 = 3,776.16/x
  3. Step 3: Cross multiply
    6,429.24x = 8,868.66 × 3,776.16
  4. Step 4: Simplify right side
    6,429.24x = 33,489,479.15
  5. Step 5: Solve for x
    x = 33,489,479.15/6,429.24
  6. Step 6: Final answer
    x = 5,208.93

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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.