Home / 4,415.49-6,623.24-1,816.61

Finding the Fourth Proportional to 4,415.49, 6,623.24 and 1,816.61

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Solution

The fourth proportional to 4,415.49, 6,623.24 and 1,816.61 is: 2,724.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,415.49 : 6,623.24 = 1,816.61 : x
  2. Step 2: Convert to fraction form
    4,415.49/6,623.24 = 1,816.61/x
  3. Step 3: Cross multiply
    4,415.49x = 6,623.24 × 1,816.61
  4. Step 4: Simplify right side
    4,415.49x = 12,031,801.82
  5. Step 5: Solve for x
    x = 12,031,801.82/4,415.49
  6. Step 6: Final answer
    x = 2,724.91

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Double scale
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Similar ratio
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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.