Home / 4,624.20-6,381.40-3,300.20

Finding the Fourth Proportional to 4,624.20, 6,381.40 and 3,300.20

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Solution

The fourth proportional to 4,624.20, 6,381.40 and 3,300.20 is: 4,554.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,624.20 : 6,381.40 = 3,300.20 : x
  2. Step 2: Convert to fraction form
    4,624.20/6,381.40 = 3,300.20/x
  3. Step 3: Cross multiply
    4,624.20x = 6,381.40 × 3,300.20
  4. Step 4: Simplify right side
    4,624.20x = 21,059,896.28
  5. Step 5: Solve for x
    x = 21,059,896.28/4,624.20
  6. Step 6: Final answer
    x = 4,554.28

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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.