Home / 6,429.04-8,872.08-3,776.48

Finding the Fourth Proportional to 6,429.04, 8,872.08 and 3,776.48

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Solution

The fourth proportional to 6,429.04, 8,872.08 and 3,776.48 is: 5,211.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,429.04 : 8,872.08 = 3,776.48 : x
  2. Step 2: Convert to fraction form
    6,429.04/8,872.08 = 3,776.48/x
  3. Step 3: Cross multiply
    6,429.04x = 8,872.08 × 3,776.48
  4. Step 4: Simplify right side
    6,429.04x = 33,505,232.68
  5. Step 5: Solve for x
    x = 33,505,232.68/6,429.04
  6. Step 6: Final answer
    x = 5,211.55

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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.