Home / 6,579.60-9,870.95-2,137.25

Finding the Fourth Proportional to 6,579.60, 9,870.95 and 2,137.25

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Solution

The fourth proportional to 6,579.60, 9,870.95 and 2,137.25 is: 3,206.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,579.60 : 9,870.95 = 2,137.25 : x
  2. Step 2: Convert to fraction form
    6,579.60/9,870.95 = 2,137.25/x
  3. Step 3: Cross multiply
    6,579.60x = 9,870.95 × 2,137.25
  4. Step 4: Simplify right side
    6,579.60x = 21,096,717.91
  5. Step 5: Solve for x
    x = 21,096,717.91/6,579.60
  6. Step 6: Final answer
    x = 3,206.38

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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.