Home / 6,639.49-9,950.73-3,345.22

Finding the Fourth Proportional to 6,639.49, 9,950.73 and 3,345.22

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Solution

The fourth proportional to 6,639.49, 9,950.73 and 3,345.22 is: 5,013.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639.49 : 9,950.73 = 3,345.22 : x
  2. Step 2: Convert to fraction form
    6,639.49/9,950.73 = 3,345.22/x
  3. Step 3: Cross multiply
    6,639.49x = 9,950.73 × 3,345.22
  4. Step 4: Simplify right side
    6,639.49x = 33,287,381.01
  5. Step 5: Solve for x
    x = 33,287,381.01/6,639.49
  6. Step 6: Final answer
    x = 5,013.54

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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.