Home / 6,580.12-9,869.94-2,629.40

Finding the Fourth Proportional to 6,580.12, 9,869.94 and 2,629.40

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Solution

The fourth proportional to 6,580.12, 9,869.94 and 2,629.40 is: 3,944.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,580.12 : 9,869.94 = 2,629.40 : x
  2. Step 2: Convert to fraction form
    6,580.12/9,869.94 = 2,629.40/x
  3. Step 3: Cross multiply
    6,580.12x = 9,869.94 × 2,629.40
  4. Step 4: Simplify right side
    6,580.12x = 25,952,020.24
  5. Step 5: Solve for x
    x = 25,952,020.24/6,580.12
  6. Step 6: Final answer
    x = 3,944.00

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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.