Home / 4,883.45-7,320.90-2,904.20

Finding the Fourth Proportional to 4,883.45, 7,320.90 and 2,904.20

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Solution

The fourth proportional to 4,883.45, 7,320.90 and 2,904.20 is: 4,353.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,883.45 : 7,320.90 = 2,904.20 : x
  2. Step 2: Convert to fraction form
    4,883.45/7,320.90 = 2,904.20/x
  3. Step 3: Cross multiply
    4,883.45x = 7,320.90 × 2,904.20
  4. Step 4: Simplify right side
    4,883.45x = 21,261,357.78
  5. Step 5: Solve for x
    x = 21,261,357.78/4,883.45
  6. Step 6: Final answer
    x = 4,353.76

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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.