Home / 7,320.33-10,977.35-2,321.55

Finding the Fourth Proportional to 7,320.33, 10,977.35 and 2,321.55

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Solution

The fourth proportional to 7,320.33, 10,977.35 and 2,321.55 is: 3,481.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.33 : 10,977.35 = 2,321.55 : x
  2. Step 2: Convert to fraction form
    7,320.33/10,977.35 = 2,321.55/x
  3. Step 3: Cross multiply
    7,320.33x = 10,977.35 × 2,321.55
  4. Step 4: Simplify right side
    7,320.33x = 25,484,455.28
  5. Step 5: Solve for x
    x = 25,484,455.28/7,320.33
  6. Step 6: Final answer
    x = 3,481.33

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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.