Home / 6,612.74-9,125.80-3,628.82

Finding the Fourth Proportional to 6,612.74, 9,125.80 and 3,628.82

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Solution

The fourth proportional to 6,612.74, 9,125.80 and 3,628.82 is: 5,007.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,612.74 : 9,125.80 = 3,628.82 : x
  2. Step 2: Convert to fraction form
    6,612.74/9,125.80 = 3,628.82/x
  3. Step 3: Cross multiply
    6,612.74x = 9,125.80 × 3,628.82
  4. Step 4: Simplify right side
    6,612.74x = 33,115,885.56
  5. Step 5: Solve for x
    x = 33,115,885.56/6,612.74
  6. Step 6: Final answer
    x = 5,007.89

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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.