Home / 7,433.92-11,153.76-2,820.16

Finding the Fourth Proportional to 7,433.92, 11,153.76 and 2,820.16

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Solution

The fourth proportional to 7,433.92, 11,153.76 and 2,820.16 is: 4,231.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,433.92 : 11,153.76 = 2,820.16 : x
  2. Step 2: Convert to fraction form
    7,433.92/11,153.76 = 2,820.16/x
  3. Step 3: Cross multiply
    7,433.92x = 11,153.76 × 2,820.16
  4. Step 4: Simplify right side
    7,433.92x = 31,455,387.80
  5. Step 5: Solve for x
    x = 31,455,387.80/7,433.92
  6. Step 6: Final answer
    x = 4,231.33

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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.