Home / 6,579.12-9,868.44-2,628.40

Finding the Fourth Proportional to 6,579.12, 9,868.44 and 2,628.40

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Solution

The fourth proportional to 6,579.12, 9,868.44 and 2,628.40 is: 3,942.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,579.12 : 9,868.44 = 2,628.40 : x
  2. Step 2: Convert to fraction form
    6,579.12/9,868.44 = 2,628.40/x
  3. Step 3: Cross multiply
    6,579.12x = 9,868.44 × 2,628.40
  4. Step 4: Simplify right side
    6,579.12x = 25,938,207.70
  5. Step 5: Solve for x
    x = 25,938,207.70/6,579.12
  6. Step 6: Final answer
    x = 3,942.50

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Similar ratio
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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.