Home / 4,267.40-6,368.41-3,288.20

Finding the Fourth Proportional to 4,267.40, 6,368.41 and 3,288.20

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Solution

The fourth proportional to 4,267.40, 6,368.41 and 3,288.20 is: 4,907.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,267.40 : 6,368.41 = 3,288.20 : x
  2. Step 2: Convert to fraction form
    4,267.40/6,368.41 = 3,288.20/x
  3. Step 3: Cross multiply
    4,267.40x = 6,368.41 × 3,288.20
  4. Step 4: Simplify right side
    4,267.40x = 20,940,605.76
  5. Step 5: Solve for x
    x = 20,940,605.76/4,267.40
  6. Step 6: Final answer
    x = 4,907.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.