Home / 4,811.20-7,216.88-1,524.32

Finding the Fourth Proportional to 4,811.20, 7,216.88 and 1,524.32

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Solution

The fourth proportional to 4,811.20, 7,216.88 and 1,524.32 is: 2,286.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.20 : 7,216.88 = 1,524.32 : x
  2. Step 2: Convert to fraction form
    4,811.20/7,216.88 = 1,524.32/x
  3. Step 3: Cross multiply
    4,811.20x = 7,216.88 × 1,524.32
  4. Step 4: Simplify right side
    4,811.20x = 11,000,834.52
  5. Step 5: Solve for x
    x = 11,000,834.52/4,811.20
  6. Step 6: Final answer
    x = 2,286.51

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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.