Home / 7,487.52-11,221.68-4,200.48

Finding the Fourth Proportional to 7,487.52, 11,221.68 and 4,200.48

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Solution

The fourth proportional to 7,487.52, 11,221.68 and 4,200.48 is: 6,295.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.52 : 11,221.68 = 4,200.48 : x
  2. Step 2: Convert to fraction form
    7,487.52/11,221.68 = 4,200.48/x
  3. Step 3: Cross multiply
    7,487.52x = 11,221.68 × 4,200.48
  4. Step 4: Simplify right side
    7,487.52x = 47,136,442.41
  5. Step 5: Solve for x
    x = 47,136,442.41/7,487.52
  6. Step 6: Final answer
    x = 6,295.33

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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.