Home / 6,435.30-8,872.77-5,176.43

Finding the Fourth Proportional to 6,435.30, 8,872.77 and 5,176.43

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Solution

The fourth proportional to 6,435.30, 8,872.77 and 5,176.43 is: 7,137.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,435.30 : 8,872.77 = 5,176.43 : x
  2. Step 2: Convert to fraction form
    6,435.30/8,872.77 = 5,176.43/x
  3. Step 3: Cross multiply
    6,435.30x = 8,872.77 × 5,176.43
  4. Step 4: Simplify right side
    6,435.30x = 45,929,272.81
  5. Step 5: Solve for x
    x = 45,929,272.81/6,435.30
  6. Step 6: Final answer
    x = 7,137.08

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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.