Home / 7,581.76-11,362.56-4,292.80

Finding the Fourth Proportional to 7,581.76, 11,362.56 and 4,292.80

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Solution

The fourth proportional to 7,581.76, 11,362.56 and 4,292.80 is: 6,433.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.76 : 11,362.56 = 4,292.80 : x
  2. Step 2: Convert to fraction form
    7,581.76/11,362.56 = 4,292.80/x
  3. Step 3: Cross multiply
    7,581.76x = 11,362.56 × 4,292.80
  4. Step 4: Simplify right side
    7,581.76x = 48,777,197.57
  5. Step 5: Solve for x
    x = 48,777,197.57/7,581.76
  6. Step 6: Final answer
    x = 6,433.49

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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.