Home / 7,572.45-11,354.22-3,187.53

Finding the Fourth Proportional to 7,572.45, 11,354.22 and 3,187.53

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Solution

The fourth proportional to 7,572.45, 11,354.22 and 3,187.53 is: 4,779.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,572.45 : 11,354.22 = 3,187.53 : x
  2. Step 2: Convert to fraction form
    7,572.45/11,354.22 = 3,187.53/x
  3. Step 3: Cross multiply
    7,572.45x = 11,354.22 × 3,187.53
  4. Step 4: Simplify right side
    7,572.45x = 36,191,916.88
  5. Step 5: Solve for x
    x = 36,191,916.88/7,572.45
  6. Step 6: Final answer
    x = 4,779.42

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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.