Home / 6,629.90-9,150.54-4,391.87

Finding the Fourth Proportional to 6,629.90, 9,150.54 and 4,391.87

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Solution

The fourth proportional to 6,629.90, 9,150.54 and 4,391.87 is: 6,061.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629.90 : 9,150.54 = 4,391.87 : x
  2. Step 2: Convert to fraction form
    6,629.90/9,150.54 = 4,391.87/x
  3. Step 3: Cross multiply
    6,629.90x = 9,150.54 × 4,391.87
  4. Step 4: Simplify right side
    6,629.90x = 40,187,936.36
  5. Step 5: Solve for x
    x = 40,187,936.36/6,629.90
  6. Step 6: Final answer
    x = 6,061.62

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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.