Home / 6,429.30-8,873.38-4,071.66

Finding the Fourth Proportional to 6,429.30, 8,873.38 and 4,071.66

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Solution

The fourth proportional to 6,429.30, 8,873.38 and 4,071.66 is: 5,619.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,429.30 : 8,873.38 = 4,071.66 : x
  2. Step 2: Convert to fraction form
    6,429.30/8,873.38 = 4,071.66/x
  3. Step 3: Cross multiply
    6,429.30x = 8,873.38 × 4,071.66
  4. Step 4: Simplify right side
    6,429.30x = 36,129,386.41
  5. Step 5: Solve for x
    x = 36,129,386.41/6,429.30
  6. Step 6: Final answer
    x = 5,619.49

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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.