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Finding the Fourth Proportional to 5,774.68, 8,662.02 and 2,309.50

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Solution

The fourth proportional to 5,774.68, 8,662.02 and 2,309.50 is: 3,464.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,774.68 : 8,662.02 = 2,309.50 : x
  2. Step 2: Convert to fraction form
    5,774.68/8,662.02 = 2,309.50/x
  3. Step 3: Cross multiply
    5,774.68x = 8,662.02 × 2,309.50
  4. Step 4: Simplify right side
    5,774.68x = 20,004,935.19
  5. Step 5: Solve for x
    x = 20,004,935.19/5,774.68
  6. Step 6: Final answer
    x = 3,464.25

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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.