Home / 8,429.07-12,646.37-4,046.88

Finding the Fourth Proportional to 8,429.07, 12,646.37 and 4,046.88

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Solution

The fourth proportional to 8,429.07, 12,646.37 and 4,046.88 is: 6,071.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,429.07 : 12,646.37 = 4,046.88 : x
  2. Step 2: Convert to fraction form
    8,429.07/12,646.37 = 4,046.88/x
  3. Step 3: Cross multiply
    8,429.07x = 12,646.37 × 4,046.88
  4. Step 4: Simplify right side
    8,429.07x = 51,178,258.36
  5. Step 5: Solve for x
    x = 51,178,258.36/8,429.07
  6. Step 6: Final answer
    x = 6,071.64

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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.