Home / 4,729.74-6,520.68-3,311.52

Finding the Fourth Proportional to 4,729.74, 6,520.68 and 3,311.52

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Solution

The fourth proportional to 4,729.74, 6,520.68 and 3,311.52 is: 4,565.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,729.74 : 6,520.68 = 3,311.52 : x
  2. Step 2: Convert to fraction form
    4,729.74/6,520.68 = 3,311.52/x
  3. Step 3: Cross multiply
    4,729.74x = 6,520.68 × 3,311.52
  4. Step 4: Simplify right side
    4,729.74x = 21,593,362.23
  5. Step 5: Solve for x
    x = 21,593,362.23/4,729.74
  6. Step 6: Final answer
    x = 4,565.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.