Home / 4,429.12-6,636.36-3,127.96

Finding the Fourth Proportional to 4,429.12, 6,636.36 and 3,127.96

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Solution

The fourth proportional to 4,429.12, 6,636.36 and 3,127.96 is: 4,686.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429.12 : 6,636.36 = 3,127.96 : x
  2. Step 2: Convert to fraction form
    4,429.12/6,636.36 = 3,127.96/x
  3. Step 3: Cross multiply
    4,429.12x = 6,636.36 × 3,127.96
  4. Step 4: Simplify right side
    4,429.12x = 20,758,268.63
  5. Step 5: Solve for x
    x = 20,758,268.63/4,429.12
  6. Step 6: Final answer
    x = 4,686.77

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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.