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Finding the Fourth Proportional to 5,525.80, 8,289.63 and 3,935.79

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Solution

The fourth proportional to 5,525.80, 8,289.63 and 3,935.79 is: 5,904.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,525.80 : 8,289.63 = 3,935.79 : x
  2. Step 2: Convert to fraction form
    5,525.80/8,289.63 = 3,935.79/x
  3. Step 3: Cross multiply
    5,525.80x = 8,289.63 × 3,935.79
  4. Step 4: Simplify right side
    5,525.80x = 32,626,242.86
  5. Step 5: Solve for x
    x = 32,626,242.86/5,525.80
  6. Step 6: Final answer
    x = 5,904.35

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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.