Home / 6,628.12-9,146.46-3,644.35

Finding the Fourth Proportional to 6,628.12, 9,146.46 and 3,644.35

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Solution

The fourth proportional to 6,628.12, 9,146.46 and 3,644.35 is: 5,029.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628.12 : 9,146.46 = 3,644.35 : x
  2. Step 2: Convert to fraction form
    6,628.12/9,146.46 = 3,644.35/x
  3. Step 3: Cross multiply
    6,628.12x = 9,146.46 × 3,644.35
  4. Step 4: Simplify right side
    6,628.12x = 33,332,901.50
  5. Step 5: Solve for x
    x = 33,332,901.50/6,628.12
  6. Step 6: Final answer
    x = 5,029.01

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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.