Home / 7,630.97-11,442.68-3,187.31

Finding the Fourth Proportional to 7,630.97, 11,442.68 and 3,187.31

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Solution

The fourth proportional to 7,630.97, 11,442.68 and 3,187.31 is: 4,779.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,630.97 : 11,442.68 = 3,187.31 : x
  2. Step 2: Convert to fraction form
    7,630.97/11,442.68 = 3,187.31/x
  3. Step 3: Cross multiply
    7,630.97x = 11,442.68 × 3,187.31
  4. Step 4: Simplify right side
    7,630.97x = 36,471,319.15
  5. Step 5: Solve for x
    x = 36,471,319.15/7,630.97
  6. Step 6: Final answer
    x = 4,779.38

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1.5x scale

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.