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Finding the Fourth Proportional to 5,323.59, 7,986.11 and 1,626.08

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Solution

The fourth proportional to 5,323.59, 7,986.11 and 1,626.08 is: 2,439.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,323.59 : 7,986.11 = 1,626.08 : x
  2. Step 2: Convert to fraction form
    5,323.59/7,986.11 = 1,626.08/x
  3. Step 3: Cross multiply
    5,323.59x = 7,986.11 × 1,626.08
  4. Step 4: Simplify right side
    5,323.59x = 12,986,005.69
  5. Step 5: Solve for x
    x = 12,986,005.69/5,323.59
  6. Step 6: Final answer
    x = 2,439.33

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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.