Home / 7,572.83-11,354.78-3,187.89

Finding the Fourth Proportional to 7,572.83, 11,354.78 and 3,187.89

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Solution

The fourth proportional to 7,572.83, 11,354.78 and 3,187.89 is: 4,779.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,572.83 : 11,354.78 = 3,187.89 : x
  2. Step 2: Convert to fraction form
    7,572.83/11,354.78 = 3,187.89/x
  3. Step 3: Cross multiply
    7,572.83x = 11,354.78 × 3,187.89
  4. Step 4: Simplify right side
    7,572.83x = 36,197,797.58
  5. Step 5: Solve for x
    x = 36,197,797.58/7,572.83
  6. Step 6: Final answer
    x = 4,779.96

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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.