Home / 4,811.10-7,216.65-2,956.20

Finding the Fourth Proportional to 4,811.10, 7,216.65 and 2,956.20

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Solution

The fourth proportional to 4,811.10, 7,216.65 and 2,956.20 is: 4,434.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.10 : 7,216.65 = 2,956.20 : x
  2. Step 2: Convert to fraction form
    4,811.10/7,216.65 = 2,956.20/x
  3. Step 3: Cross multiply
    4,811.10x = 7,216.65 × 2,956.20
  4. Step 4: Simplify right side
    4,811.10x = 21,333,860.73
  5. Step 5: Solve for x
    x = 21,333,860.73/4,811.10
  6. Step 6: Final answer
    x = 4,434.30

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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.