Home / 4,431.65-6,647.47-1,799.21

Finding the Fourth Proportional to 4,431.65, 6,647.47 and 1,799.21

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Solution

The fourth proportional to 4,431.65, 6,647.47 and 1,799.21 is: 2,698.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.65 : 6,647.47 = 1,799.21 : x
  2. Step 2: Convert to fraction form
    4,431.65/6,647.47 = 1,799.21/x
  3. Step 3: Cross multiply
    4,431.65x = 6,647.47 × 1,799.21
  4. Step 4: Simplify right side
    4,431.65x = 11,960,206.62
  5. Step 5: Solve for x
    x = 11,960,206.62/4,431.65
  6. Step 6: Final answer
    x = 2,698.82

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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.