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Finding the Fourth Proportional to 4,405.71, 6,609.18 and 1,484.85

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Solution

The fourth proportional to 4,405.71, 6,609.18 and 1,484.85 is: 2,227.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,405.71 : 6,609.18 = 1,484.85 : x
  2. Step 2: Convert to fraction form
    4,405.71/6,609.18 = 1,484.85/x
  3. Step 3: Cross multiply
    4,405.71x = 6,609.18 × 1,484.85
  4. Step 4: Simplify right side
    4,405.71x = 9,813,633.50
  5. Step 5: Solve for x
    x = 9,813,633.50/4,405.71
  6. Step 6: Final answer
    x = 2,227.48

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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.