Home / 4,247.58-6,367.74-3,320.28

Finding the Fourth Proportional to 4,247.58, 6,367.74 and 3,320.28

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Solution

The fourth proportional to 4,247.58, 6,367.74 and 3,320.28 is: 4,977.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.58 : 6,367.74 = 3,320.28 : x
  2. Step 2: Convert to fraction form
    4,247.58/6,367.74 = 3,320.28/x
  3. Step 3: Cross multiply
    4,247.58x = 6,367.74 × 3,320.28
  4. Step 4: Simplify right side
    4,247.58x = 21,142,679.77
  5. Step 5: Solve for x
    x = 21,142,679.77/4,247.58
  6. Step 6: Final answer
    x = 4,977.58

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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.