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Finding the Fourth Proportional to 6,336.64, 9,504.95 and 1,719.64

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Solution

The fourth proportional to 6,336.64, 9,504.95 and 1,719.64 is: 2,579.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,336.64 : 9,504.95 = 1,719.64 : x
  2. Step 2: Convert to fraction form
    6,336.64/9,504.95 = 1,719.64/x
  3. Step 3: Cross multiply
    6,336.64x = 9,504.95 × 1,719.64
  4. Step 4: Simplify right side
    6,336.64x = 16,345,095.50
  5. Step 5: Solve for x
    x = 16,345,095.50/6,336.64
  6. Step 6: Final answer
    x = 2,579.46

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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.